Standarded Materials
NO. | Part Name | CS to ASTM | AS to ASTM | SS to ASTM |
A105 | A182 F22 | A182 304(L) | A182 F316(L) |
1 | Body | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
2 | Disc | A276 420 | A276 304 | A276 304(L) | A276 316(L) |
3 | Stem | A182 F6 | A182 F304 | A182 F304(L) | A182 F316(L) |
4 | Pressure Seat | A105 | A182 F304 | A182 F304(L) | A182 F316(L) |
5 | Pressure Ring | A182 F304L | A182 F316L |
6 | Bonnet | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
7 | Pin | A276 420 | A182 F304 |
8 | P.S.Washer | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
9 | P.S Lock Nut | A194 2H | A194 4 | A194 8 | A194 8M |
10 | Stem Packing | Flexible Graphite | PTFE |
11 | Gland | A276 420 | A182 F304 |
12 | Gland Flange | A216 WCB | A351 CF8 |
13 | Gland Eyebolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
14 | Gland Nut | A194 2H | A194 4 | A194 8 | A194 8M |
15 | Yoke Nut | A276 410 |
16 | Handwheel | A197 |
17 | Nameplate | S.S |
18 | H.W.Nut | A194 2H | A194 4 | A194 8 | A194 8M |
Suitable Medium | W.O.G.etc | W.O.G.etc | HNO3,CH3OOH etc |
Suitable Temperature | -29ºC~425ºC | -29ºC~550ºC | -29ºC~180ºC |
Note:Other materials are available upon request.
CS=Carbon Steel;AS=Alloy Steel;SS=Stainless Steel;
Dimension (mm) and Weight (Kg)
NPS | 1/2" | 3/4" | 1" | 11/4" | 11/2" | 2" |
L(RTJ) | 900Lb~1500Lb | 216 | 229 | 254 | 279 | 305 | 368 |
2500Lb | 264 | 273 | 308 | 349 | 384 | 451 |
H() | 900Lb~1500Lb | 318 | 318 | 318 | 398 | 408 | 524 |
2500Lb | 333 | 333 | 333 | 410 | 420 | 524 |
W | 160 | 160 | 180 | 200 | 250 | 280 |
Weight | 900Lb~1500Lb | 15.5 | 16.9 | 18.9 | 28.9 | 34.3 | 52.8 |
2500Lb | 18.0 | 20.5 | 23.0 | 36.1 | 45.0 | 81.5 |
Zhejiang MingTai Valve Co., Ltd locates at Oubei Town, which is the Chinese hometown of Pump & Valves. Set up in 2000, we now have almost 300 employees.
We are a professional company which intergrades with scientific researching, manufacturing, and selling of fully welded ball valves and forged steel valves (gate / globe / check /ball valves).
The size of our fully welded ball valves vary from DN 15 TO DN 1400 (1/2 to 56"), body material can be pipe material ST37.8 and forged steel material A105 /LF2 /F304 /F316. etc. With all welded structure, our ball valves make a great improvement of sealing quality both inside and outside, as well as lower weight, so they are especially applicable for district heating and natural gas, city heating, city gas, petrochemical industry, shipbuilding, steel, offtake station, power plants and other pipeline equipments.
We also provide other valves like cast steel gate valve / globe valve / check valve / strainer / butterfly valve. etc.
All our products are qualified with valid international certificates of CE ( PED97/23/EC Annex Ⅲ Module H ) / ISO9001 / P-MARK.
80% of our valves are exported to other countries, such as Russia, America, Germany, Sweden, Kazakhstan, Korean, Thailand, Brazil, Austria, Spain, Iran, Croatia and other countries.
We believe with our continuous research and innovation, we'd be trustworthy and our products would win the world markets for good quality, best service, competitive price and fast delivery. And we'd surely believe to achieve win-win cooperation with you on the basis of equality and mutual benefits.