Threaded Check Valves - Series RK, RB | Product Series

Filter by

    No filters selected

Thread Size

Maximum Flow Rate

Configuration

Get your Parker account Today!

Create one account to manage everything you do with Parker, from your shopping preferences to your application access.


LOADING IMAGES
Threaded Check Valves - Series RK, RB Threaded Check Valves - Series RK, RB Threaded Check Valves - Series RK, RB

Threaded Check Valves - Series RK, RB

Where to Buy

The screwable check valves series RK and RB are designed to go into simple, threaded cavities. They block the flow in one direction and open in the opposite direction.

Technical Specifications

  • Product Series: Check valve
  • Actuation Type: Mechanical
  • Mounting Type: Screw-in mounting
  • Mounting Position: Unrestricted
  • Configuration: Mounted in the blocked/open flow direction
  • Connection Type: Thread (DIN ISO 228/1)
  • Connection Size: Depending on size, G1/4A-G1/2A
  • Maximum Operating Pressure: Depending on size, 500-700 bar
  • Cracking Pressure: Depending on size, 0.07-0.25 bar
  • Maximum Flow Rate: Depending on size, 10-80 L/min
  • Flow Direction: N/A
  • Maximum Operating Temperature: 60 °C
  • Minimum Operating Temperature: -20 °C
  • Seal Material: NBR
  • Body Material: Steel
  • Weight: 5 to 20 g
Safety Warning

Full Product Description

Parker's very robust check valves series RK and RB ensure a reliable operation even at high operating pressures (up to 700 bar). They are designed to be screwed into simple, threaded cavities. The connection is O-ring sealed on the 118° shoulder in the mounting cavity. The valve body is supplied as a unit, with a spring loaded, hardened and polished semisphere of stainless bearing steel inside. The seat is also hardened and ground.

Markets:
• Industrial

Features/Benefits:
• Proven, solid design - very good wear behaviour
• Zero leakage in closed position - ensures reliable operation
• Short delivery time - no warehousing necessary
• Two variations:
  - RK: mounted in the blocked direction
  - RB: mounted in open flow direction

Applications:
• Suitable for general hydraulic applications

Related Documents

Literature and Reference Materials
CATALOGUE - Hydraulic Valves Industrial Standard, Offline Version--MSG11-3500/UK
CATALOGUE - Hydraulic Valves Industrial Standard, Online Version--MSG11-3500/UK
CATALOGUE - Threaded Check Valve Series RK / RB
Compliance, Certifications & Safety
CERTIFICATE - DIN ISO 9001:2015 Certificate ISDE
CERTIFICATE - Position Paper ISDE 2006/42/EC and EN ISO 13849
×
View Catalog
Share / Email
Print
Products Thread Size Maximum Flow Rate Configuration
RK0 G1/8A 10 l/min Mounted in the blocked direction
RK1 G1/4A 20 l/min Mounted in the blocked direction
RK2 G3/8A 50 l/min Mounted in the blocked direction
RK3 G1/2A 80 l/min Mounted in the blocked direction
RB1 G1/4A 20 l/min Mounted in the open flow direction
RB2 G3/8A 50 l/min Mounted in the open flow direction
RB3 G1/2A 80 l/min Mounted in the open flow direction

Recommended

Close [ x ]
Full Screen
687466
687478