Forged/Cast/ Stainless/Carbon Steel / Ball/Globe/Gate/Wafer Duo Check Valves

After years of sustainable development, our company has stood out from the Top Entry Ball Valves, CN7M Gate Valve, 5A Safety Valve industry, and the products and services have won unanimous praise from customers. We will uphold the business philosophy of 'brand management, quality win, people-oriented, harmonious development', accelerate the pace of technological innovation, and optimize the product structure. We sincerely cooperate with domestic and foreign customers and all sectors of society to create a better future! We always improve the efficiency of service and marketing integration.

Product Details

NSV cast steel globe valve are follow with BS1873 standard and widely used in in many industrial applications including the oil and gas industry, pharmaceutical, manufacturing, automotive, and marine, etc.Globe valves are also recommended for services requiring frequent operation and positive shut off.

Applicable Standard
Design Standard: BS 1873, ASME B16.34, DIN3356
Face to Face: ASME B16.10, EN 558, DIN 3202
End Flange: ASME B16.5, DIN 2501
Butt welding Ends: ASME B16.25, DIN3239
Inspection and Test: API 598, DIN3230

Products Range
Size: 2" ~ 24"(DN50 ~ DN600)
Rating: ANSI 150lb ~ 1500lb
Body Materials: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel
Trim: Per API 600
Operation: Handwheel, Gear, Electric, Pneumatic, Hydraulic

Design Features
Bolted bonnet, back seal structure
Impact handwheel for 10" and above
Extended stem design for low temperature

Integral Seat and Renewable seat also available
Bolted bonnet, back seal structure

STRUCTURAL FEATURES

◎ Body and Bonnet Connection
The body and bonnet of Class150～Class900 globe valves are usually with studs and nuts. And the body and bonnet of Class1500～Class2500 globe valves are usually of pressure seal design.

◎ Packing Seal

Molded flexible graphite is used for packing material. PTFE or combined packing material can be also used if being requested by the customer. The internal surface of the stuffing box, of which area is contacted with the packing, is of excellent finish (Ra 3.2μm). The stem surface, contacting with the packing, should be rolled and pressed after being precisely machined, so as to reach to the high finish and com-pactness (Ra 0.8μm) and ensure the reliable tightness of the stem area.

◎ Stem Nut

Usually, the stem nut is copper alloy. It is also can be made of ASTM A439 D2 if being requested by the customer. For large sized globe valve, rolling bearing is fitted at the two sides of stem nut in order to minimize the open and close torque of the globe valve.

FAQ

1.Q: What’s the brand of your company can supply ?

A:NSV or OEM service

2.Q: Do u provide sample,is it free or extra ?

A: Yes, we could offer the sample, due to its value,we can supply free sample that small value and you afford the freight,but also welcome visit our factory to inspect quality.

3.Q: What’s your payment terms?

A: As our company’s policy, we normally have bellow 3 payment terms,it also can negotiation both parties before confirm order.
1) 100% T/T or West Union in advance that order value within $2,000.00USD.

2)30% T/T advance+70% balance after the shipment for the order value above $2,000.00USD.

We are going to continue to lead the pursuit of excellence created a unique and exquisite Forged/Cast/ Stainless/Carbon Steel / Ball/Globe/Gate/Wafer Duo Check Valves, working together to build a new world with the community. You are very welcome to personally visit our company. At all times, we need always adhere to the national interest first and insist that the corporate interest unconditionally obey the national interest.