Zhejiang MingTai Valve Co., Ltd locates at Lishui, 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).

Creation time:2000

Product category:

Position:Manager

Website:www.mrv-valve.com

Exporting countries and regions:俄罗斯、东欧、南亚

Name of exhibits:Fully Welded Valve / Gate Valve / Globe valve / check valve / ball valve

Minimum order quantity:1

Order delivery time:3 days

Authentication:ISO / API 6D / API607 / CE

Buyer type:代理商、直接客户

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 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.

  The size of our forged steel valves varies from DN15 to DN50 (1/2 to 2”), body material can be forged steel material A105 / LF2 / F5 / F11 / F22 / F304 / F304L / F316/ F316L .etc. The connection ends can be socket welding, butt welding, threaded and combines ends in ANSI Class 800, 1500, 2500. Available also for welded flanges or integral flanges in 150LB, 300LB, 600LB, 900LB, 1500LB and 2500LB either with raised face or ring type joint ends. The design standard can be API, ANSI, DIN, BS, JIS, JB, HG, and GB. Etc. Our forged steel valves are available in three bonnet designs, bolted bonnet, welded bonnet and pressure seal bonnet. We can also manufacture as per customers’ requirements. These high quality forged steel valves are widely used in oil, gas, chemical, petrochemical, power generation and marine industries.

  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.


Cryogenic Globe Valves

Cryogenic Globe Valves

Construction Features:

Forged Steel,Outside Screw and Yoke,Rising Stem,
Non-Rising Handwheel,Integral Backseat,
Solid Wedge,Renewable Seat Rings,Sprial Wound Gasket,
Reduced Bore or Full Port,
Socket Welded,Threaded,Butt Welded,Flanged End.

Application Standard:

API 602,ASME B16.34,BS 5352
Testing according to API 598
Marking to MSS SP25
Socket Welded Ends to ASME B16.11
Screwed Ends to ASME B1.20.1
Butt Welded Ends to ASME B16.25
Flanged Ends to ASME B16.5



Structure of Cryogenic Globe Valves

NPS3/81/23/411-1/41-1/22
L7992111120120140178
H(OPEN)330333360407475475551
W100100125160160180200
WeightsBolted5.27.19.413.515.017.828.0
Welded4.86.48.712.213.415.226.0

Data table of Cryogenic Globe Valves

NO.Part NameAS to ASTMSS to ASTM
Type LF2Type LF3Type F304(L)Type F316(L)
1BodyA350 LF2A350 LF3A182 F304(L)A182 F316(L)
2Seat RingA276 420A276 410A276 304(L)A276 316(L)
3WedgeA350 LF2A350 LF3A182 F304(L)A182 F316(L)
4GasketCorrugated SS + graphiteSS + PTFE
5BonnetA350 LF2A350 LF3A182 F304(L)A182 F316(L)
6Bonnet BoltA193 B7A193 B7A193 B8A193 B8M
7StemA182 F6A182 F6A182 F304(L)A182 F316(L)
8Stem PackingFlexible GraphitePTFE
9PinA276 420A276 304
10Gland EyeboltA193 B7A193 B16A193 B8A193 B8M
11GlandA276 410A182 F304(L)A182 F316(L)
12Gland FlangeA105A182 F11A182 F304(L)A182 F316(L)
13Gland NutA194 2HA194 4A194 8A194 8M
14Yoke NutA276 420
15Bearing GasketA473 431
16NameplateSS
17H.W. Lock NutA194 2HA194 4A194 8A194 8M
18Hand wheelA197
Suitable Temperature40℃101℃196℃


低温截止阀

Forged Steel Ball Valve

Forged Steel Ball Valve


RF RTJ Flanged Ends Soft Seal Forged Steel Floating type Ball Valve with gear operated or Lever (available for Electric & Pneumatic Actuator) 
Description: 
Three-Pieces Body, Side Entry, Floating Ball, Full or Reduced Port, Anti- Fire Safe and Anti-static device, Free leakage of body Sealed construction, Low torque in operation, Automatic body cavity relief, Various driving types 
Size & Pressure : 150# DN25-DN100 / 300# DN25-DN100 / 600# DN25-DN100 
Standards: 
Design - API 6D/ASME B16.34 
Face to face(Flange ends/Welded connection) - API 6D/ ASTM B16.10 
Flange Ends - ASME B16.5 / ASME B16.47 
Butt-welding ends - ASME B16.25 
Test & Inspection – API 6D/API598 
Fire Safe –API607/API6FA 
Material : 
1. Forged Steel Body / CS NACE TRIM (SOUR SERVICE) 
A105 Body/ A105 ENP Ball & Stem/ VITON. PTFE .PPL.NYLON.DEVLON SEAT 
2. Forged Steel Body / SS TRIM (SOUR SERVICE) 
A105 Body/ F304 Ball & Stem/ VITON. PTFE .PPL.NYLON.DEVLON SEAT 
A105 Body/ F316 Ball & Stem/ VITON. PTFE .PPL.NYLON.DEVLON SEAT 
3. Forged Stainless Steel Body / SS TRIM (SOUR SERVICE) 
F304 Body/ F304 Ball & Stem/ VITON. PTFE .PPL.NYLON.DEVLON SEAT 
F316 Body/ F316 Ball & Stem/ VITON. PTFE .PPL.NYLON.DEVLON SEAT 
4. Low Temp. Forged Steel Body / CS NACE TRIM (SOUR SERVICE) 
ASTM A350 LF2 Body/A350 LF2+ENP Ball & Stem/ VITON. PTFE .PPL.NYLON.DEVLON SEAT


锻钢球阀

Large Fully Welded Ball Valve

Large Fully Welded Ball Valve



Fully Welded Ball Valve  .

Body : ST37.8 / P235GH  /A105 / LF2 / F304 / F316

Ball : SS304 / A105+ENP / LF2+ENP 

Stem : 13Cr 

Seat : PTFE+C / PEEK 


大全焊接球阀

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