Check Valve
RV Series

Stauff_Valve_RV_Check_1

Specifications

  • Sizes to 2"
  • Carbon Steel Body, Zinc Plated
  • Working Pressure to 7250 PSI (500 bar)
  • Metal to Metal Seat

Options

  • NPT or SAE
  • Two Spring Cracking Pressures - 7 PSI (0.5 bar) or 65 PSI (4.5 bar)
  • Special Spring Cracking Pressures Available On Request
  • Stainless Steel Construction

 

Nominal
Size
DN
in
(mm)
Port G Operating
Pressure
PSI
(Bar)
D
in
(mm)
L
in
(mm)
Weight
lbs
(kg)

 

 

 

Stauff_Valve_Check_RV_Dwg

NPT SAE
RV8 0.31
(8)
1/4" 7/16" - 20 7250
(500)
0.98
(25)
2.17
(55)
0.44
(0.2)
RV10 0.39
(10)
3/8" 9/16" - 18 7250
(500)
1.18
(30)
2.56
(65)
0.88
(0.4)
RV12 0.47
(12)
1/2" 3/4" - 16 7250
(500)
1.38
(35)
2.87
(73)
1.54
(0.7)
RV16 0.63
(16)
3/4" 1-1/16" - 12 7250
(500)
1.77
(45)
3.46
(88)
2.64
(1.2)
RV20 0.79
(20)
1" 1-5/16" - 12 7250
(500)
1.97
(50)
5.00
(127)
4.4
(2.0)
RV25 0.98
(25)
1-1/4" 1-5/8" - 12 5800
(400)
2.36
(60)
5.63
(143)
7.26
(3.3)
RV30 1.18
(30)
1-1/2" 1-7/8" - 12 4500
(315)
2.75
(70)
5.63
(143)
9.24
(4.2)
RV40 1.57
(40)
2" 2-1/2" - 12 4500
(315)
3.54
(90)
6.49
(165)
15.84
(7.2)

 

 

Medium Duty (5000 PSI)
RVM Series

Stauff_Valve_RVM_Check_Medium

Specifications

  • Sizes to 3/4" NPT
  • Carbon Steel Body, Zinc Plated
  • Working Pressure to 5000 PSI (350 bar)
  • Metal to Metal Seat

Options

  • Field replaceable springs available with 30 PSI or 60 PSI settings

 

 

Part
Number
A
Length
in
(mm)
B
Width
in
(mm)
C
Port
Diameter
NPT
D
Thread
Depth
in
(mm)
Operating
Pressure
PSI
(Bar)
Weight
lbs
(kg)

 

Stauff_Valve_Check_RVM

RVM8-7N 2.48
(63.0)
0.87
(22)
1/4" NPT 0.49
(12.5)
5000
(350)
0.44
(0.2)
RVM10-7N 2.71
(69.0)
1.06
(27)
3/8" NPT 0.49
(12.5)
5000
(350)
0.88
(0.4)
RVM12-7N 3.17
(80.5)
1.26
(32)
1/2" NPT 0.61
(15.5)
5000
(350)
1.54
(0.7)
RVM16-7N 3.92
(99.5)
1.42
(36)
3/4" NPT 0.67
(17.0)
5000
(350)
2.64
(1.2)

 

 

Needle Valve
NDV Series

Stauff_Valve_NDV_Needle

Specifications

  • Sizes to 11/2"
  • Carbon Steel Body, Zinc Plated
  • Viton "O"-Ring
  • Temperature Range:  14°F - 212°F (-10°C - 100°C)
  • Working Pressure to 5000 PSI (350 bar)
  • Graduated Knob and Color Coded Spindle To Accurately Control Flow
  • Set-Screw Located On Side Of Knob To Lock Valve In Position

Options

  • NPT or SAE Threaded Connection
  • Panel Mounting Kit Available
  • Special Seals Available On Request
  • Stainless Steel Construction

 

Medium Duty (5000 PSI)
NVH Series

Stauff_Valve_NVH_Needle

Specifications

  • Sizes to 1/4", 3/8" and 1/2" NPT, SAE
  • Working Pressure 5000 PSI (350 bar)
  • Nickel Plated Carbon Steel Body, Stainless Steel Needle
  • Flow Setting Can Be Locked With Handle Set Screw
  • Stem Seal-Buna with PTFE Back Up Ring
  • Temperature range:   -30°F to 250°F (-34°C to 121°C)

Options

  • VITON Seals
  • Panel Mount Lock Nut
  • BSP Ports Available

 

Flow Control Valves
NDRV Series

Stauff_Valve_Flow Control_NDRV

Specifications

  • Sizes to 2"
  • Carbon Steel Body, Zinc Plated
  • 7 PSI Standard Spring Setting
  • Viton O-Ring
  • Temperature Range:  14°F - 212°F (-10°C - 100°C)
  • Working Pressure to 5000 PSI (350 bar)
  • Graduated Knob and Color Coded Spindle To Accurately Control Flow
  • Set-Screw Located On Side Of Knob To Lock Valve In Position

Options

  • NPT or SAE Threaded Connection
  • Panel Mounting Kit Available
  • Special Seals Available Upon Request
  • Special Spring Settings Upon Request
  • Stainless Steel Construction

 

Flow Control Valves - Medium Duty (5000 PSI)
FCH Series

Stauff_Valve_Flow Control_FCH_Medium

Specifications

  • Sizes to 1/4", 3/8" and 1/2"
  • NPT or SAE Threads
  • Working Pressure 5000 PSI (350 bar)
  • Nickel Plated Carbon Steel Body, Stainless Steel Needle
  • Flow Setting Can Be Locked With Handle Set Screw
  • Stem Seal-Buna With PTFE Back Up Ring
  • Temperature range:  -30°F to 250°F (-34°C to 121°C)

Options

  • VITON Seals
  • Panel Mount Lock Nut
  • BSP Ports Available

 

Pressure Compensated Flow Control Valves
PNDRV Series

Stauff_Valve_Press Comp Flow Control_PNDRV

Specifications

  • Sizes to 1/4", 3/8", 1/2" and 3/4" NPT
  • Working Pressure 3000 PSI (200 bar)
  • Carbon Steel Body, Stainless Steel Internal Components
  • Stem Seal-Buna With PTFE Back Up Ring
  • Temperature range:  -30°F to 250°F (-34°C to 121°C)

Options

  • VITON Seals
  • Panel Mount Lock Nut

 

Needle Valves - Medium Pressure
NVM Series

Stauff_Valve_Needle_Med Press_NVM

Specifications

  • Sizes to 1/4", 3/8" and 1/2" NPT, SAE, and BSP
  • Working Pressure 3000 PSI (200 bar)
  • Nickel Plated Brass Body, Stainless Steel Needle
  • Flow Setting Can Be Locked With Handle Set Screw
  • Stem Seal-Buna with PTFE Back Up Ring
  • Temperature range:  -30°F to 250°F (-34°C to 121°C)

Options

  • VITON Seals
  • Panel Mount Lock Nut

 

Flow Control Valves - Medium Pressure
FCM Series

Stauff_Valve_Flow Control_Med Press_FCM

Specifications

  • Sizes to 1/4", 3/8" and 1/2"
  • NPT or BSP Threads
  • Working Pressure 3000 PSI (200 bar)
  • Nickel Plated Brass Body, Stainless Steel Needle
  • Flow Setting Can Be Locked With Handle Set Screw
  • Stem Seal-Buna With PTFE Back Up Ring
  • Temperature Range:  -30°F to 250°F (-34°C to 121°C)


Options

  • VITON Seals
  • Panel Mount Lock Nut

 

Panel Mounting Kits - Flow Control & Needle Valve
Gauge Isolator Valves
SWS Series

Stauff_Valve_Gauge Isolator_SWS

Specifications

  • Working Pressure 5800 PSI (390 bar)
  • VITON Seals
  • NPT, BSP and SAE Ports
  • Temperature Range:  Style S1 and M:  -30°F - 240°F (-22°C - 115°C)
  • Protects Gauges From Pressure Surges
  • Steel Body
  • Tank Drain Port

Options

  • Single Station - S1 Series
  • Multi Station - M Series

 

Gauge Isolator Needle Valves
SWS Series

Stauff_Valve_Gauge Isolator_Needle_SWS

Specifications

  • Sizes 1/4" NPT
  • Working Pressure 6000 PSI (400 bar)
  • Nickel Plated brass Body
  • Stem Seal-Buna With PTFE Back Up Ring

Options

  • In line or 90° Style
  • NPT/SAE Version
  • Panel Mount Lock Nut