R85 Series pressure regulator for gas cylinder collection devices

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R85 Series pressure regulator for gas cylinder collection devices

The R85 is a heavy-duty pressure reducing device specifically designed to handle ultra-high flow rates from gas cylinder banks or manifolds. It features a large diaphragm with a diameter of 3-1/4", ensuring extremely strong pressure regulation drive force. This product offers exceptionally stable output pressure, covering a wide range from 0.03 to 2.5 MPa, making it perfectly compatible with high-flow-rate cutting systems, industrial process control boxes, and centralized laboratory testing systems. Weighing only 3.0 kg, it boasts a robust forged brass body. Both inlet and outlet ports utilize large-diameter threads (G3/4") to reduce localized resistance losses at high flow rates. The diaphragm is made of nitrile rubber reinforced with 316L steel, ensuring both airtightness and significantly improving fatigue life.

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Model Number

Gas Service

Max. inlet Pressure(MPa)

Delver Pressure(MPa)

Inet gauge(MPa)

Outlet Gauge(MPa)

Inlet Connection

Outlet connection

R85X-125

OXYGEN

15 

0.03~0.85

25 

1.6 

G3/4"-RH(M)

G3/4"-RH(M)

R85X-200

15 

0.07~1.4

25 

2.5 

G3/4"-RH(M)

G3/4"-RH(M)

R85X-125A

15 

0.03~0.85

25 

1.6 

1-11-12NPS-RH(M)

1-11-12NPS-RH(F)

R85X-200A

15 

0.07~1.4

25 

2.5 

1-11-12NS-RH(M)

1-11-12NPS-RH(F)

R85Y-15

ACETYLENE

0.01~0.1

0.25 

G3/4"-LH(M)

G3/4"-LH(M)

R85Y-15-A

0.01~0.1

0.25 

1-11-12NPS-LH(M)

1-11-12NPS-LH(M)

R85F-125

LPG

15 

0.03~0.85

25 

1.6 

G3/4"-RH(M)

G3/4"-RH(M)

R85F-200

15 

0.07~1.4

25 

2.5 

G3/4"-RH(M)

G3/4"-RH(M)

R85F-125A

15 

0.03~0.85

25 

1.6 

1-11-12NPS-RH(M)

1-11-12NPS-RH(F)

R85F-200A

15 

0.07~1.4

25 

2.5 

1-11-12NPS-RH(M)

1-11-12NPS-RH(F)

R85IN-40

Ar、He、N₂

0.01~0.28

0.4 

G3/4"-LH(M)

G3/4"-LH(M)

R85IN-40A

0.01~0.28

0.4 

1-11-12NPS-LH(M)

1-11-12NPS-LH(M)

R85Q-125

AIR

15 

0.03~0.85

25 

1.6 

G3/4"-RH(M)

G3/4"-RH(M)

R85Q-200

15 

0.07~~1.4

25 

2.5 

G3/4"-RH(M)

G3/4"-RH(M)

R85Q-125A

15 

0.03~0.85

25 

1.6 

1-11-12NPS-RH(M)

1-11-12NPS-RH(F)

R85Q-200A

15 

0.07~1.4

25 

2.5 

1-11-12NPS-RH(M)

1'-11-12NPS-RH(F)

R85H-200

HYDROGEN

15 

0.07~1.4

25 

2.5 

G3/4"-LH(M)

G3/4"-LH(M)

R85H-200A

15 

0.07~1.4

25 

2.5 

1-11-12NPS-LHM

1-11-12NPS-LH(M)

About Us
Ningbo Keshengli Stainless Steel Valve Co., Ltd.
Ningbo Keshengli Stainless Steel Valve Co., Ltd.

Our company specializes in the manufacturing and sales of stainless steel pipe fittings and valves in national (GB), American (ANSI/ASME), and British (BS) standards. We are equipped with advanced CNC machining centers, material testing and heat treatment facilities, a skilled technical team, and a robust production workforce. With a sound quality management system and excellent after-sales service, we sincerely serve customers worldwide.

Our main products include: ferrule-type fittings, threaded fittings, instrument fittings, instrument needle valves, instrument ball valves, ferrule needle valves, ferrule ball valves, compact high-pressure instrument needle valves, compact high-pressure instrument ball valves, and high-pressure check valves. The primary material is SS316 stainless steel. These products are widely used in petrochemical, petroleum, electric power, pharmaceutical, food, papermaking, marine, and general machinery industries.

We strictly control product quality at every stage and are committed to delivering superior quality through advanced technology and professional management. Adhering to the business philosophy of "Quality First, Customer Supreme, Integrity Foremost," we strive to build the "NB-KSL" brand image, better serve our customers, and work together with you to create a prosperous future.

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