Check Valve | Available in a wide range of sizes

Check Valve

(7Products)

Temperature:-46ºC up to 425ºC Sizes 2" - 24" Rating ASME 150LB - 2500LB Axial Flow Check Valves

Model NO.：Axial Flow Check Valves

Dual Plate Check Valves 1/2"-12"150LB~2500LB(ASME B16.34)Working temperature: -20℃+120℃

Model NO.：Dual Plate Check Valve

Pressure range:CLASS 150Lb~2500Lb Nominal diameter;NPS 2~60″Flapper Check Valve(Swash Plate Type)

Model NO.：Flapper Check Valve(Swash Plate Type)

2″-24”600LB~2500LB Body Materials: Stainless Steel Stainless Steel Swing Check Valve

Model NO.：Stainless Steel Swing Check Valve

Silent Check Valve Size Range: DN50-DN450 The spring automatically closes the disc at zero flow

Model NO.：Silent Check Valve

Lift Piston Check Valve Sizes: 2" - 24" Pressure Rating: Class150 - Class2500 Conforms to NACE MR0175/ISO 15156

Model NO.：Lift Check Valve

Swing Check Valves Size: 2” to 48”Rating : 150# to 2500# Material according to NACE MR-0175

Model NO.：Swing Check Valve

CAST CARBON CHECK VALVE

CAST STAINLESS & ALLOY CHECK

FORGED CHECK VALVE

In a commercial and industrial context, check valves are essential flow-control components designed to prevent backflow and preserve system pressure integrity. They are primarily deployed in three critical operational scenarios:

1：Redundancy & Safety: Serving as a reliable secondary defense during primary pump failures.
2：Equipment Assistance: Optimizing the performance and operational efficiency of reciprocating pumps and gas compressors.
3：Overpressure Protection: Safeguarding system infrastructure when process pressures surpass primary equipment capabilities.

Dimension Range:2″- 24 ″Pressure Range:150 LB-2500LB
Main material Range :WCB, WCB (NACE), CF8M, or LCC (NACE) body
Bolted Cover, Exterior Hinge Pin, Swing Type Disc, Graphite Gasket, *Also available in our Contractor Series 2”-12”
Design and manufacture for valve according to ASME B16.34
Inspection and Test according to API 598 - 2009
Face to face - ASME B16.10End Flange connection - ASME B16.5
Temperature Range: -20F to 797F Applicable medium: Water, Oil, Gas

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Head Office Address: Viale del Lavoro.19,20003 Casorezzo Ml. ltaly Testing zone 1 Address:Via S. Giovanni Bosco S.n.c.70020 – Poggiorsini (BA) – ITALY

EMAlL: andant@sanjingvalve.com
PHONE: +39 389 949 9067
WHATSAPP:+39 389 949 9067

Branch Office Address:Dongou Industrial Zone, Oubei Street, Yongjia Wenzhou City, Zhejiang Province China Testing zone 2 Address:No. 205, Linwu Road, Sanqiao Industrial Zone

What exactly is the relationship between SANJING Valve Company and S J Valvole S.R.L.?

SJ Valvole S.R.L. is an Italian-registered entity holding multiple European OEM brand authorizations, utilizing shared local facilities for valve manufacturing, testing, and dispatch. SANJING Valve Co. operates as a wholly owned subsidiary of S J Valvole S.R.L., serving as its primary manufacturing hub with licensed processing rights under European brand authorizations.

Strategic Synergy & Operational Purpose

The operational alignment between SANJING Valve Co. and S J Valvole S.R.L. is strategically structured to meet global trading requirements:

Pricing & Cost Efficiency: Optimizes tariff structures and local production costs to maintain competitive global pricing.

Supply Chain & Lead Times: Streamlines manufacturing schedules to meet strict delivery deadlines across international markets.

Compliance & Documentation: Facilitates tailored Certificates of Origin (COO) to fulfill regional import regulations and trade agreements.

Global Agency Agreements: Supports international distribution networks and global strategic partnership frameworks.