NVF valves are available in three bonnet designs. The first design is the bolted bonnet, with male-female joint, spiral wound gasket, made in F304+flexible graphite. Ring joint gasket are also available on request. The second design is the welded bonnet, with a threaded and seal welded joint. On request a full penetration strengh welded joint is available. The thrid design is the pressure seal bonnet, with a threaded and pressure seal bonnet joint.
Standards:
--Full port or reduced port;
--Outside screw and yoke (OS&Y);
--Two piece self - aligning packing gland;
--Bolted bonnet & spiral wound gasket seal bonnet;
--Threaded and seal welded bonnet or threaded and pressure seal bonnet;
--Integral back seat;
--Socket weld ends to ASME B16.11;
--Screwed end (NPT) to ANSI/ASME B1.20.1
Product Name: Forging Steel Gate Valve
Place of Origin: China
Features:
1) Size: 1/2" - 2";
2) Class: 150 - 2, 500lbs;
3) Design and manufacture: API 602, BS5352, ANSI B16.34;
4) Connection ends:
A) Socket welded dimension conforms to ANSI B16.11;
B) Screw ends dimension conforms to ANSI B1.20.1;
C) Butt-welded conforms to ANSI B16.25;
D) Flanged ends conforms to ANSI B16.5;
5) Test and inspection conforms to API598 and API 6D;
6) Structure features:
A) Bolted bonnet, outside screw and yoke(OS&Y);
B) Welded bonnet, outside screw and yoke(OS&Y)
7) Materials: A105, LF2, F11, F22, F5, F304, F304L, F316, F316L, etc.
8) Operated by: Handwheel
We can supply a wide range of butterfly valves, gate valves, globe valves, check valves, ball valves, safety & relief valves, plug valve, forged steel valve, strainers, hydraulic control valves, and pressure reducing valves.
As an important manufacturer and exporter in China, SIEMPU has been specializing in supplying high-quality industrial valves, including gate valve, globe valve, check valve, ball valve, butterfly valves, casting steel valve, and forging steel valves. Our products have been exported to more than 20 countries all over the world, including America, Europe, Asia, Middle East, Japan, etc., and have gained a good reputation in these markets.
SIEMPU has strong production capability and QC to ensure you receive satisfactory goods. With 3 holding valve factories, manufacturing cast steel valves, stainless steel valves and forging steel valves separately, and more than 15 joint-venture factories producing other different valves, like knife gate valves, safety relief valves, water control valves etc., we are able to source reliable products for our clients in time and at a competitive price. We also conduct strict quality assurance testing through factory evaluation, lab testing, on-site production monitoring, and multiple inspection. We guarantee your satisfaction from A to Z.
Why Choose SIEMPU?
"Good Quality, Competitive Price, Excellent Service and Support, " are three distinct advantages of SIEMPU.
We have always put Quality Control on the list of priorities, since SIEMPU was established. We implement a strict QC system in the factories to maintain high quality of the products in accordance with internationally recognized ISO9001 regulations. All valves are inspected and tested according to API598 standard and carry CE, API approvals. Professional inspectors are also employed to test the products at each stage of the production process and the final packing of the products.
With 3 holding valve factories, manufacturing cast steel valves, stainless steel valves and forging steel valves separately, and more than 15 joint-venture factories producing other different valves, like knife gate valves, safety relief valves, water control valves etc., we are able to source reliable products for our clients in time and at a competitive price.
Moreover, excellent service and support help us win great popularity among customers. We supply a coordinated-process service from product sourcing, quality control, shipping to order follow up to make full satisfaction of our clients. We are also honored to provide OEM service for our clients all over the world.
You are sincerely welcome to contact us for any inquiries or questions. We are looking forward to establish a friendly and sustainable cooperative relationship with worldwide customers.
