/ EN
National standard stainless steel ball valve

The ball valve is mainly used to cut off or connect the medium in the pipeline, and can also be used for the regulation and control of the fluid. The hard-sealed V-shaped ball valve has a strong connection between the V-shaped ball core and the metal valv

Product Parameter

design standards                                                            

Technical Specifications: American Standard

Design standard: API6D API608

Construction Length: ASME B16.10

Connection flange: ASME B16.5

Test and inspection: API6D API598

Performance Specifications

Nominal pressure: 150,300,600LB

Strength test: PT3.0, 7.5, 15MPa

Sealing test: 2.2, 5.5, 11MPa

Upper sealing test: 2.2, 5.5, 11MPa

Air tightness test: 0.6MPa

Valve body material: WCB(C), CF8(P), CF3(PL), CF8M(R), CF3M(RL)

Applicable medium: water, steam, oil, nitric acid, acetic acid

Applicable temperature: -29℃~180℃


Main external dimensions and connection dimensions:

National standard (GB) PN1.6MPa
DNLDD1D2bZ-фdH
15130956545144-ф1490
201401057555144-ф1495
251501158565144-ф14100
3216513510078164-ф18108
4018014511085164-ф18120
50200160125100164-ф18135
65220180145120184-ф18155
80250195160135208-ф18175
100280215180155208-ф18200
125320245210185228-ф18220
150360280240210248-ф23240
2004003352952652612-ф23310
2505334053553203012-ф25360
3006104604103753012-ф25420
National standard (GB) PN2.5MPa
DNLDD1D2bZ-фdH
15130956545164-ф1490
201401057555164-ф1495
251501158565164-ф14100
3216513510078184-ф18110
4018014511085184-ф18120
50200160125100204-ф18135
65220180145120228-ф18160
80250195160135228-ф18175
100280230190160248-ф23200
125320270220188288-ф25220
150360300250218308-ф25240
2004003603102783412-ф25320
2505334253703323612-ф30380
National standard (GB) PN4.0MPa
DNLDD1D2bZ-фdH
15130956545164-ф1490
201401057555164-ф1495
251501158565164-ф14100
3218013510078184-ф18110
4021014511085184-ф18120
50220160125100204-ф18135
65250180145120228-ф18160
80280195160135228-ф18175
100320230190160248-ф23200
125400270220188288-ф25220
150400300250218308-ф25240
2005023753202823812-ф30320
2505684453853454212-ф34470