How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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About Pressure-Relief Valves
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Batch-Dispensing On/Off Valves
- For Use With: Beverage, Water, Kerosene, Bleach, Boric Acid, Deionized Water, Oil, Diesel Fuel, Food
Accurately and consistently dispense a specific amount of liquid—these actuated valves have a screen and buttons for programming batch size and calibration. They’ll automatically shut off once the set amount of liquid has been released. Their stainless steel body resists corrosion, so these valves can be used with harsh chemicals.
For technical drawings and 3-D models, click on a part number.
Overall | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size  | Gender | Thread Type | Flow Range, gpm | Pipe Schedule | Maximum Pressure | Maximum Temperature, °F | Maximum Current Draw, A | Valve Length | Width | Height | Environmental Rating | Specifications Met | Each | |
Stainless Steel Body with Fluoroelastomer Rubber Seals | ||||||||||||||
Normally Closed—120V AC | ||||||||||||||
| 1/2 | Female | NPT | 2 to 22 | 40 | 145 psi @ 175° F | 140° | 0.06 | 11 1/4" | 3 7/16" | 5 5/8" | IP65 | CSA Certified; UL Recognized Component | 0000000 | 000000000 |
| 3/4 | Female | NPT | 3 to 38 | 40 | 145 psi @ 175° F | 140° | 0.06 | 12 3/16" | 3 7/16" | 5 3/4" | IP65 | CSA Certified; UL Recognized Component | 0000000 | 00000000 |
| 1 | Female | NPT | 5 to 62 | 40 | 145 psi @ 175° F | 140° | 0.06 | 12 3/8" | 3 7/16" | 5 7/8" | IP65 | CSA Certified; UL Recognized Component | 0000000 | 00000000 |
International Standard ISO Minimal-Spill
Quick-Disconnect Hose Couplings for Chemicals
To minimize fluid loss when connecting and disconnecting your line, these couplings have flat faces for a close fit and shut-off valves to stop the flow—they meet ISO 16028, which is an international standard for hose couplings. They’re also known as flush-face and double shut-off couplings. A complete coupling consists of a plug and socket (both sold separately). They connect and disconnect quickly, so use them if you need to access a line frequently. Made of 316 stainless steel, they have excellent corrosion resistance and withstand a variety of chemicals.
Plugs are also known as nipples.
Sockets are push-to-connect style. To connect, push the plug into the socket until you hear a click. To disconnect, slide the sleeve on the socket forward until the plug ejects. These sockets have an internal fluoroelastomer gasket that resists a wide range of chemicals, including benzene, butyl alcohol, and ethylene glycol.
Note: To ensure a correct fit, make sure that the plug and socket have the same coupling size. Pressure ratings are given for static (constant) pressure conditions.
Warning: Never attempt to connect or disconnect couplings when operating at maximum pressure. Stop the flow before you disconnect the line.
For technical drawings and 3-D models, click on a part number.
- Maximum Pressure: 3,600 psi @ 72° F
- Temperature Range: 0° to 400° F
- Compatible With: ISO 16028 Parker FEM, ISO 16028 Perfecting HT, ISO 16028 Snap-Tite 74
- Specifications Met: ISO 16028
- Maximum Pressure: 3,600 psi @ 72° F
- Temperature Range: 0° to 400° F
- Compatible With: ISO 16028 Parker FEM, ISO 16028 Perfecting HT, ISO 16028 Snap-Tite 74
- Specifications Met: ISO 16028
- Maximum Pressure: 3,600 psi @ 72° F
- Temperature Range: 0° to 400° F
- Compatible With: ISO 16028 Parker FEM, ISO 16028 Perfecting HT, ISO 16028 Snap-Tite 74
- Specifications Met: ISO 16028
- Maximum Pressure: 3,600 psi @ 72° F
- Temperature Range: 0° to 400° F
- Compatible With: ISO 16028 Parker FEM, ISO 16028 Perfecting HT, ISO 16028 Snap-Tite 74
- Specifications Met: ISO 16028
Adjustable Pressure-Relief Valves for Chemicals
- For Use With: Aluminum Chloride, Boric Acid
- Temperature Range: 40° to 140° F
Often used with catalysts, pH buffers, and electroplating solutions, these valves have a PVC body and an EPDM seal for excellent chemical resistance. They begin opening at the set pressure and fully open at about 10% over the set pressure. Valves begin closing as pressure drops and fully close when the system pressure is restored below the set pressure. Adjust the set pressure within the range. Valves have a port for attaching a pressure gauge.
For technical drawings and 3-D models, click on a part number.
Inlet | Relief Port | Set Pressure | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Location | Maximum Pressure, psi | Pipe Size | Location | Range, psi | Adjustment Method | Overall Ht. | Gauge Port Pipe Size | Each | |
NPT Female Inlet and Relief Port | ||||||||||
Dark Gray PVC Body—EPDM Seal | ||||||||||
| 1/2 | Bottom | 150 | 1/2 | Side | 5 to 75 | External Adjustment Screw | 6 3/4" | 1/4 | 0000000 | 0000000 |
| 3/4 | Bottom | 150 | 3/4 | Side | 5 to 75 | External Adjustment Screw | 6 7/8" | 1/4 | 0000000 | 000000 |
| 1 | Bottom | 150 | 1 | Side | 5 to 75 | External Adjustment Screw | 8 3/4" | 1/4 | 0000000 | 000000 |
| 1 1/2 | Bottom | 150 | 1 1/2 | Side | 5 to 75 | External Adjustment Screw | 13 1/4" | 1/4 | 0000000 | 00000000 |
| 2 | Bottom | 150 | 2 | Side | 5 to 75 | External Adjustment Screw | 15 1/2" | 1/4 | 0000000 | 00000000 |