Manufacturers
MERCOID DA-31-3-9
Description
Mercoid DA-31-3-9 Pressure Switch. 10-300 psig Operating Range | Brass Bourdon Tube | Screw Terminal | SPST Close on Increase 10A @ 120 V 5A @ 240 V AC/DC
Part Number
DA-31-3-9
Price
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Manufacturer
MERCOID
Lead Time
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Category
PRODUCTS - D
Features
- Adjustable or fixed deadband
- External switch setpoint adjustments
- General purpose, weatherproof or explosion-proof enclosures
- Minimum deadband is obtainable at any point in the range
- On/off indication (except hermetically sealed snap switch models)
- Pressure ranges of full vacuum to 8000 psig
- SPDT snap-action, hermetically sealed snap action or hermetically sealed mercury switch
- UL listed, CSA approved, many models FM approved
- Visible calibrated dial
Datasheet
Extracted Text
092_Layout 2 7/16/12 2:10 PM Page 92 Series DA/DS Bourdon Tube Pressure Switches Pressure Ranges to 8000 psi (551.6 bar) 2-1/4 [57.15] 6-1/64 [152.8] DIA. 1-5/8 [41.28] MERCOID CONTROL 1/2 [12.7] CONDUIT HOLE ADJUSTMENT SCREWS 1/4 N.P.T. 7/8 [22.23] 5/8 [15.88] 4-3/16 REAR MOUNTING 5 7-3/4 [106.36] FLANGE 3-1/2 3-1/2 2-9/16 2-13/16 (3) .203 [5.16] (2) STD. 13/32 DIA. [71.44] DIA. HOLES AT MOUNTING HOLES 120° ON 6-1/2 7 3-7/8 [165.1] DIA. [177.8] BOLT CIRCLE 10 1-3/4 DIA. 1-5/8 8 OPERATING [41.28] “U” [203.2] ADJUSTMENTS 3/4 CONDUIT TH’D 1/2 “L” CONTROL CONDUIT GASKETED COVER 1/4 N.P.T. ADJUSTMENTS 3/4 PIPE THD. HUB GASKET FOR ADJUSTMENTS 1/2 NPT CONDUIT HOLE 5/8 [15.88] 15/16 [23.81] 1-1/4 DAH DAW Customers tell us that this is the best pressure switch made. The Mercoid D Series is SPECIFICATIONS one of the world’s broadest lines of pressure switches. Wetted Materials: Brass, 403 SS, or 316 SS. The D Series has extremely high sensitivity and great repeatability. The DA Models are Temperature Limit: 180°F (82°C). equipped with two external adjustments, one for setting high pressure operating point, the Pressure Limit: Maximum pressure of the operating range. other for setting low pressure operating point. Deadband, the difference between high and Enclosure Rating: General purpose, weatherproof or explosion-proof. low setpoints, is adjustable over the full-scale. The DS Models are equipped with a single Repeatability: ±1% of full operating range, ±1.5% on DS-7300 models. external adjustment for setting operating point only. For mercury-free switches, choose Switch Type: SPST mercury switch, SPDT mercury switch, SPDT snap switch, or between the snap action switch or hermetically sealed snap action switch. Hermetically SPDT hermetically sealed snap switch. Other circuit types available. sealed mercury switch also available. Electrical Rating: See model charts. Electrical Connections: Screw terminal. Conduit Connection: General purpose: 1/2˝ hole for conduit hub; Weatherproof: 1/2˝ conduit hub; Explosion-proof: 3/4˝ female NPT. FEATURES Process Connection: General purpose and weatherproof: 1/4˝ male NPT, 1/2˝ male • Visible calibrated dial NPT on ranges 15S and 16S; Explosion-proof: 1/2˝ male NPT and 1/4˝ female NPT. • On/off indication (except hermetically sealed snap switch models) Mounting Orientation: Vertical. • Adjustable or fixed deadband Set Point Adjustment: Thumbscrew. • SPDT snap-action, hermetically sealed snap action or hermetically sealed Weight: General purpose: 4 lb (1.8 kg); Weatherproof: 6 lb (2.7 kg); Explosion-proof: mercury switch 8 lb (3.5 kg). • External switch setpoint adjustments Deadband: See model chart. • Minimum deadband is obtainable at any point in the range Agency Approvals: CE, CSA, FM, UL (mercury switch units are not CE approved) • Pressure ranges of full vacuum to 8000 psig (Consult factory for FM approved models). • UL listed, CSA approved, many models FM approved • General purpose, weatherproof or explosion-proof enclosures OPTIONS Weatherproof Enclosure, Series DAW – Add “W” to model number after DA or DS and change 1 to 3. Example: DAW-33-153-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .add $126.00 Explosion-Proof Enclosure, Series DAH – Suitable for Class I, Groups C and D; NEMA 7; Class II, Groups E, F, G; Class III NEMA 9 and 9A, Division 1. Add “H” to model number after DA or DS Example: DAH-31-153-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .add 599.00 FM Approved: For general purpose and explosion-proof models see agency approvals. Add “F” to model number after DA, DS, DAH or DSH . . . . .add 54.00 Examples: DAF-31-153-7 or DAHF-31-153-7 Other Options (Consult Factory): DPDT switches or other switch types, fixed deadband mercury switch units for low deadband applications, manual reset operation, two-stage operation, acetal bushed movement for applications with high amounts of vibration and/or pulsation, fungus proofing, siphon, diaphragm seals, mounting flange and remote connection. DWYER INSTRUMENTS, INC. | www.dwyer-inst.com 92 Single Pressure Switches PRESSURE Single Pressure Switches PRESSURE 093_Layout 2 7/16/12 2:11 PM Page 93 D Series Pressure Switch with Mercury Switch and General Purpose Enclosure Adjustable Deadband Bourdon Adjustable Minimum SPDT SPST SPST Minimum SPST Open SPST Close Tube Operating Deadband 4A @ 120 V Open on Close on Deadband on Increase on Increase Material Range (psig) 2A @ 240 V Increase Increase (psig) 5A @ 120 VAC 5A @ 120 VAC Price Price (psig) AC/DC 10A @ 120 V 10A @ 120 V 2A @ 240 VDC 2A @ 240 VDC ($) ($) 5A @ 240 V 5A @ 240 V 2.5A @ 120 VDC 2.5A @ 120 VDC AC/DC AC/DC 1A @ 240 VDC 1A@ 240 VDC 0-30˝ Hg Vac 2˝ Hg DA-31-153-2 DA-31-2-2 DA-31-3-2 $294.00 1˝ Hg DA-531-2-2 DA-531-3-2 $465.00 465.00 10˝ Hg Vac - 12 1 DA-31-153-3 DA-31-2-3 DA-31-3-3 294.00 0.5 DA-531-2-3 DA-531-3-3 25˝ Hg Vac - 50 3.5 DA-31-153-27 DA-31-2-27 DA-31-3-27 294.00 2 DA-531-2-27 DA-531-3-27 465.00 465.00 1/8 – 15 1 DA-31-153-1 DA-31-2-1 DA-31-3-1 294.00 0.5 DA-531-2-1 DA-531-3-1 1/8 – 20 1 DA-31-153-3A DA-31-2-3A DA-31-3-3A 294.00 0.5 DA-531-2-3A DA-531-3-3A 465.00 Brass 1 – 35 1.75 DA-31-153-4 DA-31-2-4 DA-31-3-4 294.00 0.75 DA-531-2-4 DA-531-3-4 465.00 465.00 2 – 60 3 DA-31-153-5 DA-31-2-5 DA-31-3-5 294.00 1 DA-531-2-5 DA-531-3-5 5 – 100 3.75 DA-31-153-6 DA-31-2-6 DA-31-3-6 294.00 2 DA-531-2-6 DA-531-3-6 465.00 496.00 5 – 150 6 DA-31-153-7 DA-31-2-7 DA-31-3-7 294.00 3 DA-531-2-7 DA-531-3-7 10 – 200 8 DA-31-153-8 DA-31-2-8 DA-31-3-8 324.00 3.5 DA-531-2-8 DA-531-3-8 496.00 10 – 300 12 DA-31-153-9 DA-31-2-9 DA-31-3-9 324.00 6 DA-531-2-9 DA-531-3-9 496.00 577.00 30˝ Hg Vac – 60 6 DA-21-153-25S DA-21-2-25S DA-21-3-25S 394.00 3 DA-521-2-25S DA-521-3-25S 30˝ Hg Vac – 75 8 DA-21-153-26S DA-21-2-26S DA-21-3-26S 394.00 4 DA-521-2-26S DA-521-3-26S 577.00 577.00 2 – 60 4 DA-21-153-5S DA-21-2-5S DA-21-3-5S 394.00 2.5 DA-521-2-5S DA-521-3-5S 5 – 100 6 DA-21-153-6S DA-21-2-6S DA-21-3-6S 394.00 3 DA-521-2-6S DA-521-3-6S 577.00 10 – 200 8 DA-21-153-8S DA-21-2-8S DA-21-3-8S 394.00 4 DA-521-2-8S DA-521-3-8S 577.00 608.00 403 10 – 300 14 DA-21-153-9S DA-21-2-9S DA-21-3-9S 421.00 7 DA-521-2-9S DA-521-3-9S Stainless 40 – 350 14 DA-21-153-9AS DA-21-2-9AS DA-21-3-9AS 443.00 7 DA-521-2-9AS DA-521-3-9AS 635.00 635.00 Steel 25 – 600 25 DA-21-153-10S DA-21-2-10S DA-21-3-10S 443.00 15 DA-521-2-10S DA-521-3-10S 50 – 1000 60 DA-21-153-11S DA-21-2-11S DA-21-3-11S 556.00 40 DA-521-2-11S DA-521-3-11S 776.00 100 – 1500 90 DA-21-153-12S DA-21-2-12S DA-21-3-12S 597.00 50 DA-521-2-12S DA-521-3-12S 811.00 811.00 300 – 2500 150 DA-21-153-13S DA-21-2-13S DA-21-3-13S 597.00 100 DA-521-2-13S DA-521-3-13S 500 – 5000 450 DA-21-153-15S DA-21-2-15S DA-21-3-15S 603.00 200 DA-521-2-15S DA-521-3-15S 823.00 823.00 800 – 8000 750 DA-21-153-16S DA-21-2-16S DA-21-3-16S 603.00 400 DA-521-2-16S DA-521-3-16S 30˝ Hg Vac – 75 7 DA-41-153-26E DA-41-2-26E DA-41-3-26E 421.00 3.5 DA-541-2-26E DA-541-3-26E 611.00 5 – 75 3 DA-41-153-23E DA-41-2-23E DA-41-3-23E 421.00 2 DA-541-2-23E DA-541-3-23E 611.00 611.00 10 –100 7 DA-41-153-6E DA-41-2-6E DA-41-3-6E 421.00 3.5 DA-541-2-6E DA-541-3-6E 316 10 – 150 6 DA-41-153-24E DA-41-2-24E DA-41-3-24E 421.00 3 DA-541-2-24E DA-541-3-24E 611.00 628.00 Stainless 10 – 300 18 DA-41-153-9E DA-41-2-9E DA-41-3-9E 437.00 5 DA-541-2-9E DA-541-3-9E Steel 30 – 400 30 DA-41-153-21E DA-41-2-21E DA-41-3-21E 458.00 15 DA-541-2-21E DA-541-3-21E 658.00 75 – 800 75 DA-41-153-22E DA-41-2-22E DA-41-3-22E 520.00 35 DA-541-2-22E DA-541-3-22E 730.00 811.00 100 – 1000 100 DA-41-153-11E DA-41-2-11E DA-41-3-11E 597.00 45 DA-541-2-11E DA-541-3-11E 200 - 2500 210 DA-41-153-13E DA-41-2-13E DA-41-3-13E 597.00 110 DA-541-2-13E DA-541-3-13E 811.00 D Series Pressure Switch with Snap Action Switch and General Purpose Enclosure Adjustable Deadband Fixed Deadband Hermetically Sealed, Fixed Deadband SPDT: 10A @ 120/240 VAC SPDT: 15A @ 120/240 AC SPDT: 5A @ 120/240 VAC, 5A res. @ 30 VDC Bourdon Adjustable Minimum Model Fixed Model Fixed Model Price Price Price Tube Operating Deadband Deadband Deadband ($) ($) ($) Material Range (psig) (psig) (psig) (psig) 0-30˝ Hg Vac 13.5˝ Hg DA-7031-153-2 $276.00 3˝ Hg DS-7231-153-2 $276.00 5˝ Hg DS-7331-153-2 $411.00 10˝ Hg Vac - 12 6 DA-7031-153-3 1.5 DS-7231-153-3 276.00 3 DS-7331-153-3 411.00 276.00 276.00 25˝ Hg Vac - 50 12 DA-7031-153-27 276.00 2.5 DS-7231-153-27 3.75 DS-7331-153-27 411.00 1/8 – 15 6 DA-7031-153-1 276.00 1.5 DS-7231-153-1 276.00 3 DS-7331-153-1 411.00 1/8 – 20 6 DA-7031-153-3A 1.5 DS-7231-153-3A 276.00 3 DS-7331-153-3A 276.00 411.00 Brass 1 – 35 7.5 DA-7031-153-4 276.00 1.5 DS-7231-153-4 276.00 3 DS-7331-153-4 411.00 2 – 60 9 DA-7031-153-5 2 DS-7231-153-5 276.00 3 DS-7331-153-5 411.00 276.00 276.00 5 – 100 13.5 DA-7031-153-6 276.00 2.5 DS-7231-153-6 3.75 DS-7331-153-6 411.00 5 – 150 24 DA-7031-153-7 276.00 3 DS-7231-153-7 276.00 5.25 DS-7331-153-7 411.00 10 – 200 24 DA-7031-153-8 4 DS-7231-153-8 305.00 6.75 DS-7331-153-8 305.00 440.00 10 – 300 37.5 DA-7031-153-9 305.00 5 DS-7231-153-9 305.00 9 DS-7331-153-9 440.00 30˝ Hg Vac – 60 18 DA-7021-153-25S 3.5 DS-7221-153-25S 372.00 5.25 DS-7321-153-25S 507.00 372.00 372.00 30˝ Hg Vac – 75 22.5 DA-7021-153-26S 372.00 3.5 DS-7221-153-26S 5.25 DS-7321-153-26S 507.00 2 – 60 13.5 DA-7021-153-5S 372.00 3 DS-7221-153-5S 372.00 4.5 DS-7321-153-5S 507.00 5 – 100 19.5 DA-7021-153-6S 3.5 DS-7221-153-6S 372.00 5.25 DS-7321-153-6S 372.00 507.00 403 10 – 200 22.5 DA-7021-153-8S 372.00 4 DS-7221-153-8S 372.00 7.125 DS-7321-153-8S 507.00 Stainless 10 – 300 28.5 DA-7021-153-9S 6 DS-7221-153-9S 424.00 10.5 DS-7321-153-9S 559.00 424.00 424.00 Steel 40 – 350 30 DA-7021-153-9AS 424.00 6 DS-7221-153-9AS 10.5 DS-7321-153-9AS 559.00 25 – 600 67.5 DA-7021-153-10S 424.00 10 DS-7221-153-10S 424.00 18 DS-7321-153-10S 559.00 50 – 1000 142.5 DA-7021-153-11S 20 DS-7221-153-11S 534.00 33 DS-7321-153-11S 534.00 669.00 100 – 1500 195 DA-7021-153-12S 566.00 30 DS-7221-153-12S 566.00 52.5 DS-7321-153-12S 701.00 300 – 2500 390 DA-7021-153-13S 60 DS-7221-153-13S 566.00 90 DS-7321-153-13S 701.00 566.00 577.00 500 – 5000 1350 DA-7021-153-15S 577.00 200 DS-7221-153-15S 300 DS-7321-153-15S 712.00 800 – 8000 2250 DA-7021-153-16S 577.00 500 DS-7221-153-16S 577.00 30˝ Hg Vac – 75 15 DA-7041-153-26E 3.5 DS-7241-153-26E 401.00 5.25 DS-7341-153-26E 401.00 536.00 5 – 75 12 DA-7041-153-23E 401.00 4 DS-7241-153-23E 401.00 6 DS-7341-153-23E 536.00 316 10 –100 15 DA-7041-153-6E 3.5 DS-7241-153-6E 401.00 5.25 DS-7341-153-6E 536.00 401.00 401.00 Stainless 10 – 150 16.5 DA-7041-153-24E 401.00 4 DS-7241-153-24E 6.75 DS-7341-153-24E 536.00 Steel 10 – 300 42 DA-7041-153-9E 401.00 8 DS-7241-153-9E 401.00 12 DS-7341-153-9E 536.00 30 – 400 78 DA-7041-153-21E 10 DS-7241-153-21E 442.00 18 DS-7341-153-21E 442.00 577.00 75 – 800 180 DA-7041-153-22E 498.00 25 DS-7241-153-22E 498.00 37.5 DS-7341-153-22E 633.00 100 – 1000 285 DA-7041-153-11E 35 DS-7241-153-11E 565.00 52.5 DS-7341-153-11E 700.00 565.00 565.00 200 - 2500 600 DA-7041-153-13E 565.00 75 DS-7241-153-13E 112.5 DS-7341-153-13E 700.00 CALL TO ORDER | 800/872-9141 93
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What they say about us
FANTASTIC RESOURCE
One of our top priorities is maintaining our business with precision, and we are constantly looking for affiliates that can help us achieve our goal. With the aid of GID Industrial, our obsolete product management has never been more efficient. They have been a great resource to our company, and have quickly become a go-to supplier on our list!
Bucher Emhart Glass
EXCELLENT SERVICE
With our strict fundamentals and high expectations, we were surprised when we came across GID Industrial and their competitive pricing. When we approached them with our issue, they were incredibly confident in being able to provide us with a seamless solution at the best price for us. GID Industrial quickly understood our needs and provided us with excellent service, as well as fully tested product to ensure what we received would be the right fit for our company.
Fuji
HARD TO FIND A BETTER PROVIDER
Our company provides services to aid in the manufacture of technological products, such as semiconductors and flat panel displays, and often searching for distributors of obsolete product we require can waste time and money. Finding GID Industrial proved to be a great asset to our company, with cost effective solutions and superior knowledge on all of their materials, it’d be hard to find a better provider of obsolete or hard to find products.
Applied Materials
CONSISTENTLY DELIVERS QUALITY SOLUTIONS
Over the years, the equipment used in our company becomes discontinued, but they’re still of great use to us and our customers. Once these products are no longer available through the manufacturer, finding a reliable, quick supplier is a necessity, and luckily for us, GID Industrial has provided the most trustworthy, quality solutions to our obsolete component needs.
Nidec Vamco
TERRIFIC RESOURCE
This company has been a terrific help to us (I work for Trican Well Service) in sourcing the Micron Ram Memory we needed for our Siemens computers. Great service! And great pricing! I know when the product is shipping and when it will arrive, all the way through the ordering process.
Trican Well Service
GO TO SOURCE
When I can't find an obsolete part, I first call GID and they'll come up with my parts every time. Great customer service and follow up as well. Scott emails me from time to time to touch base and see if we're having trouble finding something.....which is often with our 25 yr old equipment.
ConAgra Foods