High Platform Stainless Steel Ball Valve

Size: DN15~DN300

Material: WCB, CF8, CF3, CF8M, CF3M

Connection: Flange

Working Pressure: PN1.6Mpa ~ PN16Mpa

Working Temperature: -29°C to 150°C

Applicable Medium: Oil, Gas, Water, Nitric acid

Product Overview

A high platform stainless steel ball valve is a quarter-turn valve with an ISO 5211 mounting pad for direct pneumatic or electric actuator installation. Made from corrosion-resistant stainless steel, it provides reliable shut-off, low torque, and long service life, making it ideal for automated systems in water, chemical, HVAC, and oil & gas applications.

Product Features

ISO 5211 high platform design allows direct mounting of pneumatic or electric actuators
Stainless steel body (CF8 / CF8M) provides strong corrosion resistance and long service life
Quarter-turn operation ensures fast, reliable on/off control with tight shut-off
Low-torque, precision-sealed design reduces wear and maintenance requirements
Suitable for automation systems in water, chemical, HVAC, and oil & gas applications

Design and manufacturing standards

Technical specification: GB
Design Standard: GB/T 12237
Face to Face: GB/T 12221
Flanged Ends: GB/T 9113, JB 79, HG 20592
Test and Inspection: GB/T 13927, GB/T 26480

Specification Parameters

Item	Specification
Nominal Pressure	1.6 / 2.5 / 4.0 / 6.3 / 10.0 MPa
Strength Test Pressure	2.4 / 3.8 / 6.0 / 9.5 / 15.0 MPa
Seal Test Pressure	1.8 / 2.8 / 4.4 / 7.0 / 11.0 MPa
Gas Seal Test Pressure	0.6 MPa
Valve Body Material	WCB (C), CF8 (P), CF3 (PL), CF8M (R), CF3M (RL)
Suitable Medium	Water, Steam, Oil Products, Nitric Acid, Acetic Acid
Suitable Temperature	−29 °C to +150 °C

Material Parts:

MATERIAL NAME	CARBON STEEL	STAINLESS STEEL
Body	WCB, A105	CF8, CF3	CF8M, CF3M
Bonnet	WCB, A105	CF8, CF3	CF8M, CF3M
Ball	304	304	316
Stem	304	304	316
Seat	PTFE, RPTFE
Gland Packing	PTFE / Flexible Graphite
Gland	WCB, A105	CF8

Main external dimensions and connection dimensions

Standard: GB | PN1.6MPa

DN	L	D	D1	D2	b	t	Z-Φd
15	130	95	65	45	16	2	4-Φ14
20	130	105	75	55	18	2	4-Φ14
25	140	115	85	65	18	2	4-Φ14
32	165	140	100	78	18	2	4-Φ18
40	165	150	110	85	18	2	4-Φ18
50	203	165	125	100	18	2	4-Φ18
65	222	185	145	120	18	2	8-Φ18
80	241	200	160	135	20	2	8-Φ18
100	280	220	180	155	20	2	8-Φ18
125	320	250	210	185	22	2	8-Φ18
150	360	285	240	212	22	2	8-Φ22
200	457	340	295	268	24	2	12-Φ22
250	533	405	355	320	26	2	12-Φ26
300	610	460	410	378	28	2	12-Φ26

Standard: GB | PN 2.5 MPa

DN	L	D	D1	D2	b	t	Z-Φd
15	130	95	65	45	16	2	4-Φ14
20	130	105	75	55	18	2	4-Φ14
25	140	115	85	65	18	2	4-Φ14
32	165	140	100	78	18	2	4-Φ18
40	165	150	110	85	18	2	4-Φ18
50	203	165	125	100	20	2	4-Φ18
65	222	185	145	120	22	2	8-Φ18
80	241	200	160	135	24	2	8-Φ18
100	280	235	190	160	24	2	8-Φ22
125	320	270	220	188	26	2	8-Φ26
150	360	300	250	218	28	2	8-Φ26
200	457	360	310	278	30	2	12-Φ26
250	533	425	370	335	32	2	12-Φ30
300	610	485	430	395	34	2	16-Φ30

Standard: GB | PN 4.0 MPa

DN	L	D	D1	D2	b	t	Z-Φd
15	140	95	65	45	16	2	4-Φ14
20	152	105	75	55	18	2	4-Φ14
25	165	115	85	65	18	2	4-Φ14
32	178	140	100	78	18	2	4-Φ18
40	190	150	110	85	18	2	4-Φ18
50	216	165	125	100	20	2	4-Φ18
65	241	185	145	120	22	2	8-Φ18
80	283	200	160	135	24	2	8-Φ18
100	305	235	190	160	24	2	8-Φ22
125	381	270	220	188	26	2	8-Φ26
150	403	300	250	218	28	2	8-Φ26
200	502	375	320	285	34	2	12-Φ30
250	568	450	385	345	38	2	12-Φ33
300	648	515	450	410	42	2	16-Φ33

Standard: GB | PN 6.3 MPa

DN	L	D	D1	D2	b	t	Z-Φd
15	140	105	75	45	20	2	4-Φ14
20	152	130	90	55	22	2	4-Φ18
25	165	140	100	65	24	2	4-Φ18
32	178	155	110	78	26	2	4-Φ22
40	190	170	125	85	26	2	4-Φ22
50	292	180	135	100	26	2	4-Φ22
65	330	205	160	120	26	2	8-Φ22
80	356	215	170	135	28	2	8-Φ22
100	406	250	200	160	30	2	8-Φ26
125	432	295	240	188	34	2	8-Φ30
150	495	345	280	218	36	2	8-Φ33
200	597	415	345	285	42	2	12-Φ36
250	673	470	400	345	46	2	12-Φ36
300	762	530	460	410	52	2	16-Φ36

Standard: GB | PN 10.0 MPa

DN	L	D	D1	D2	b	t	Z-Φd
15	165	105	75	45	20	2	4-Φ14
20	190	130	90	55	22	2	4-Φ18
25	216	140	100	65	24	2	4-Φ18
32	229	155	110	78	26	2	4-Φ22
40	241	170	125	85	28	2	4-Φ22
50	292	195	145	100	30	2	4-Φ26
65	330	220	170	120	34	2	8-Φ26
80	356	230	180	135	36	2	8-Φ26
100	432	265	210	160	40	2	8-Φ30
125	508	315	250	188	40	2	8-Φ33
150	559	355	290	218	44	2	12-Φ33
200	660	430	360	285	52	2	12-Φ36
250	787	505	430	345	60	2	12-Φ39
300	838	585	500	410	68	2	16-Φ42

Standard: GB | PN 16.0 MPa

DN	L	D	D1	D2	b	t	Z-Φd
15	230	105	75	45	20	2	4-Φ14
20	240	130	90	55	24	2	4-Φ18
25	260	140	100	65	24	2	4-Φ18
32	300	155	110	78	28	2	4-Φ22
40	360	170	125	85	28	2	4-Φ22
50	400	195	145	100	30	2	4-Φ26
65	490	220	170	120	34	2	8-Φ26
80	580	230	180	135	36	2	8-Φ26
100	620	265	210	160	40	2	8-Φ30

Specification Applications

Industrial automation systems requiring direct mounting of pneumatic or electric actuators
Water treatment and distribution pipelines for reliable on/off flow control
Chemical processing plants handling corrosive or aggressive media
Oil and gas facilities for isolation service in stainless steel piping systems
HVAC and building services where compact, actuator-ready valve design is needed
Food, beverage, and pharmaceutical systems requiring clean, corrosion-resistant materials

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