Pneumatic National Standard Ball Valve

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Pneumatic National Standard Ball Valve

Size: DN15~DN300
Material: WCB, SS
Connection: Flange
Temperature level: -29°C~150°C
Pressure: PN1.6-6.4Mpa
Applicable Medium: Oil, Gas, Water

Product Overview

Operating Mechanism (Drive Mode)

Pneumatic Actuation: Suitable for automatic, remote-controlled systems; available in ON/OFF or modulating types

Materials

• Body Material Options:
o Carbon Steel, Stainless Steel (304, 316), Forged Steel, Alloy Steel
o Cast Iron, Ductile Iron
• Seat Materials:
o Soft Seals: PTFE, RPTFE, PEEK (for low and medium temperature applications)
o Metal-to-Metal Seals: Inconel, Stainless Steel (for high-temperature and abrasive environments)

Certifications

• Compliance: API, ISO 9001, CE, PED certifications for pressure-containing equipment.
• Optional Explosion-Proof Certification: Available for electric and pneumatic actuators used in hazardous environments.

Product Features

• Forged Construction:

Offers higher strength and durability for critical applications

• Multi-Way Configurations:

Available in three-way and four-way configurations for complex flow paths, ideal for process industries.

• High-Temperature and High-Pressure Capabilities:

Specifically designed for severe conditions, available in high-temperature and high-pressure models

• Compact and Sanitary Designs:

Available for cleanroom, pharmaceutical, and food industry applications

Specification Parameters

Item	Specification
Nominal Pressure	PN 1.6–6.4 MPa, Class 150 / 300
Strength Test Pressure	PT 1.5 × PN
Seat Test Pressure (Low Pressure)	0.6 MPa
Applicable Media	C: Water, Oil, Gas P: Nitric Acid R: Acetic Acid
Applicable Temperature	−29 °C to +150 °C

Material for Main Parts

MATERIAL NAME	Q41F-(16–64)C	Q41F-(16–64)P	Q41F-(16–64)R
Body	WCB	ZG1Cr18Ni9Ti / CF8	ZG1Cr18Ni12Mo2Ti / CF8M
Bonnet	WCB	ZG1Cr18Ni9Ti / CF8	ZG1Cr18Ni12Mo2Ti / CF8M
Ball	1Cr18Ni9Ti / 304	1Cr18Ni9Ti / 304	1Cr18Ni12Mo2Ti / 316
Stem	1Cr18Ni9Ti / 304	1Cr18Ni9Ti / 304	1Cr18Ni12Mo2Ti / 316
Sealing Ring	PTFE	PTFE	PTFE
Gland Packing	PTFE	PTFE	PTFE

Main Overall Dimensions – Single Acting – PN16

DN	L	d	D	D1	D2	C	f	n-Φb	A	B	C	D	G
15	130	15	95	65	45	14	2	4-Φ14	168	153	36.5	46.5	1/4″
20	130	20	105	75	55	14	2	4-Φ14	168	156	36.5	46.5	1/4″
25	140	25	115	85	65	14	2	4-Φ14	168	164	36.5	46.5	1/4″
32	165	38	135	100	78	16	2	4-Φ18	219	193	43	52.5	1/4″
40	165	50	145	110	85	16	2	4-Φ18	249	214	49	56.5	1/4″
50	203	64	160	125	100	16	2	4-Φ18	249	221.5	49	56.5	1/4″
65	222	80	180	145	120	18	2	4-Φ18	274	250	55.5	66.5	1/4″
80	241	100	195	160	135	20	2	8-Φ18	355	307	69.5	80.5	1/4″
100	280	125	215	180	155	20	2	8-Φ18	417	346	78.5	91	1/4″
125	320	150	245	210	185	22	2	8-Φ18	452	462	88	78.5	1/4″
150	360	200	285	240	210	22	2	8-Φ22	540	517	105	88	1/4″
200	457	250	340	295	265	24	2	12-Φ22	585	588.5	116	105	1/4″
250	533	300	405	355	320	26	2	12-Φ26	685	666	130.5	115	3/8″
300	610	610	450	410	375	375	2	12-Φ26	743	826.5	147	130.5	3/8″

Main Overall Dimensions – Double Acting – PN16

DN	L	d	D	D1	D2	C	f	n-Φb	A	B	C	D	G
15	130	15	95	65	45	14	2	4-Φ14	155	132	29	41	1/4″
20	130	20	105	75	55	14	2	4-Φ14	155	138.5	29	41	1/4″
25	140	25	115	85	65	14	2	4-Φ14	156	148	29	41	1/4″
32	165	38	135	100	78	16	2	4-Φ18	168	173	36.5	46.5	1/4″
40	165	50	145	110	85	16	2	4-Φ18	219	202.5	43	52.5	1/4″
50	203	64	160	125	100	16	2	4-Φ18	219	209.5	43	52.5	1/4″
65	222	80	180	145	120	18	2	4-Φ18	249	335	49	56.5	1/4″
80	241	100	195	160	135	20	2	8-Φ18	274	266.5	55.5	66.5	1/4″
100	280	125	215	180	155	20	2	8-Φ18	355	325	69.5	80.5	1/4″
125	320	150	245	210	185	22	2	8-Φ18	417	442	97	91	1/4″
150	360	200	285	240	210	22	2	8-Φ22	452	492	119.5	97	1/4″
200	457	250	340	295	265	24	2	12-Φ22	540	566	130.5	110	1/4″
250	533	300	405	355	320	26	2	12-Φ26	565	636.5	147	119.5	1/4″
300	610	610	450	410	375	375	2	12-Φ26	665	785	147	130.5	3/8″

Specification Applications

Industrial pipeline on/off control for water, oil, gas, and non-corrosive fluids
Automated process systems requiring fast response and reliable pneumatic actuation
Petrochemical and chemical plants for safe and efficient fluid isolation
Power, HVAC, and utility systems with frequent switching operations
Manufacturing and process industries where stable performance and low maintenance are essential

Valve Actuation

Process Optimization

Precision Engineering

Pipeline Solutions

Industrial Valves

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