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Series 21 KA, 21 KF & 21 KB Automatic Single Shut-Off & Automatic Straight-Thru - Nominal Plug Bore 0.20"
Brand: Nycoil
The 91 Series is a variation of the 20 Series Couplers. The valve has been shortened in respect that the plug seals before the Coupler valve opens.
In spite of the short valve, the well-proven, single hand operation is retained as the ball-lock is replaced by a pin-lock. This extends the external diameter of the sleeve from 10 to 13 mm.
Series 21 KA & 21 KF are also available without a valve in a Straight-Thru design. For Straight-Thru Couplers, please change the part number from 21KA to 21KF when ordering.
Series 21 KB both the couplings and plugs are fitted with a valve. While both valves are opened, full flow is guaranteed as soon as the two are connected. The valves close when disconnected.
Specifications
Brand
Working Temperature
- -4° to +210° F (NBR)
- -40° to 250/300° F (EPDM)
- +5° to 400° F (FKM)
- +32° to 600° F (FFKM)
- At a temperature below -4° F and above +300° F special seals are available
Working Pressure
- 500 psi, Max. Static Working Pressure with 4: 1 Design Factor
Material of Construction
- Sleeve: Brass, Nickel-Plated Brass, AISI 303, AISI 316L
- Valve: Brass, AISI 303, AISI 316L
- Spring & Locking Ring: AISI 301, AISI 316 TI
- Locking Balls: AISI 420
- Plug: Brass, Nickel-Plated Brass, AISI 303, AISI 316L
Seal Material
- NBR, FKM
Body Material
- Brass, Nickel-Plated Brass, AISI 303, AISI 316L