check valve for boiler 300lb

Check Valves from Stayflow

OVERVIEW: Check valves open with forward flow, and automatically return to close against reverse flow. The main function is to protect mechanical equipment, most notably pumps, where back flow can damage the internal components. Check valves may be grouped according to the way the closure member moves onto the seat.

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Bronze Check Valves - NIBCO INC.

Bronze Check Valves for use in commercial and industrial applications. Typical services include; hot and cold water, HVAC, steam, compressed air, gas and other general utility services. 125 psi/8.6 bar saturated steam to 353°F/178°C, 200 psi/13.8 bar non-shock cold working pressure, Y-pattern, Renewable PTFE disc, Regrindable seat, Class 125

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SCI: Check Valves - Smith-Cooper International

Home Valves Check Valves Forged Steel / Cast Steel Check Valves 300lb Flanged > Cast Steel Check Valve > Series 25314 Back to Group 300lb Flanged > Cast Steel Check Valve > Series 25314

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Steam Relief Valves | McMaster-Carr

For use with low-pressure steam-heating boilers requiring pressure relief at 15 psi, these valves meet ASME Code Section IV. All spring fully open at the set pressure and remain open until the system pressure is restored below the set pressure. Body is bronze for durability and a long service life. Vented relief ports exhaust discharge directly.

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Check Valves, Ball check Valves | Flomatic Valves

Check Valve Manufacturer. Check valves are mechanical devices that permit liquids and gases to flow in only one direction, preventing flow from reversing. They are classified as one-way directional valves meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave.

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Products - Check Valves | Emerson

Browse Check Valves products. Emerson is where technology and engineering come together to create solutions for the benefit of our customers, driven without compromise for a world in action.

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Valves - Temperature and Pressure Ratings

Pressure-Temperature Ratings ASTM A216 Valves - Pressure and temperature ratings for Cast Carbon Steel Valves. Safety Valves in High Pressure Steam Systems - Sizing safety valves according boiler output power in high pressure systems (kW and Btu/hr) Valve Authority - The valve authority expresses the ratio between pressure drop across the

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Legend Valve | Plumbing, Industrial, Commercial, Hydronics

Hydraulic Separator. Legend Zone Valves. Three-Way Mixing Valve. Radiant Panel Systems. Solar and GeoThermal. GeoGreen Manifold. Training and Tools. Find a Plumbing Representative. Find an Industrial Representative. Legend University. Product Showcase. Frostfree Sillcocks. View our Online Catalog. Legend Press Video. VersaTherm Video.

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check valve for recirculating hot water | Terry Love Plumbing

Jan 30, 2005 · If you add the check valve at the inlet, use a swing check with a small hole drilled into the flapper. The small hole prevents "banging", at least it's supposed to. The check valve needs to be installed so that it is closed when at rest. The check valve, even with the hole in it will prove to add more resistence than the hot.

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Yarway Blow-off Valves | Emerson US

Designed according ASME section 1, ASME B31.1, ASME B16.34. For boiler systems up to 3206 psig. Rugged construction to withstand high pressure and high velocities.

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Velan - Products - API 602 small forged valves - Velan.com

A comprehensive range of small forged gate, globe, check, angle and bellows seal valves with unique design features. Category: Gate, globe, and check valves. Product line: API 602 small forged valves. #N#Size range (s) NPS 1/4 - 2 (DN 8 - 50) Pressure rating. ASME Classes 150 - 4500. Standard connections. Threaded, socket weld, flanged.

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Gate Valve Class 300 Beric Valves

Print Version Standards: Face to Face Dimensions: ANSI B16.10 End Flange Dimensions: ANSI B16.5, 26 ≥ MSS SP-44, or API 605 Basic Design: API 600, API 603 (316 Valves) Test Standa

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Safety Relief Valves, Models 300 and 600

KunKle Models 300 and 600 safety valves Safety and relief productS notes dimensions are for reference only. 1. Maximum set pressure: f to M orifice steam or air service - 1000 psig n and P orifice - 750 psig Q orifice - 600 psig 2. Inlet flanges are ansI B16.5 300# (model 300 only), 600# (model 600 only) 3. outlet flanges are ansI B16.5-150

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Cast-Steel NEWCO Gate, Globe, and Check Valves | Schlumberger

Our cast-steel NEWCO gate, globe, and check valves exceed all industry performance requirements. These cast steel valves are ideal for the downstream market. The gates, globes, and checks all offer raised-flange, ring-type joint, and butt-weld ends as connection options.

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Home - Milwaukee Valve

About Milwaukee Valve. The Milwaukee Valve Company was established in Wisconsin in 1901, starting out as a small manufacturer of plumbing and heating valves. Herschel Seder purchased the business in 1959, with his late partner, Max Koenigsberg.

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