Two-way Shutoff Quick Release Couplings

Two-way Shutoff Quick Release Couplings Plug.

Two-way Shutoff Quick Couplings Plug - Two-way Shutoff Quick Release Couplings Plug.
  • Two-way Shutoff Quick Couplings Plug - Two-way Shutoff Quick Release Couplings Plug.

Two-way Shutoff Quick Couplings Plug

PTT

Two-way Shutoff Quick Release Couplings

How It Works

When the plug is inserted, the internal valve is pushed open, allowing residual pressure to safely escape and complete the connection.

Applicable fluid : oil, hydraulic oil, water, medicine, air (note:Steam and hot water can damage seals, and the extent of the damage depends on the temperature).

Connection Process

During connection:

The internal valve opens, and residual pressure begins to discharge.

After connection:

All remaining pressure is released, ensuring a secure, fully completed connection.

Two-way shutoff quick couplings present closure upon disconnection. When socket and plug are connected, two ends remain open to enable fluid and hydraulic oil to go through. The design of auto aligned valve provides better sealing.
When the plug and socket are disconnected, the design of the poppet valve enables the auto re-set to its original position before connection and enhances the safety sealing of plug or socket.
Quick Couplings include one-way shutoff, two-way shutoff and two-way shutoff (grease type), one touch quick coupling, straight through type, and camlock type.

◎ Auto aligned poppet valve provides a reliable seal.
◎ Leak tested.
◎ Withstanding high pressure seal.

Dimension
Specification
  • Connection Type: Female Thread
  • Thread Size (PT): 1/4" ~ 2"
  • Material: SUS304, Brass
  • Seal Material: NBR, VITON
Working Pressure SUS304 Brass
1/8" ~ 3/8" 70 kgf/cm² 50 kgf/cm²
1/2" ~ 1" 45 kgf/cm² 30 kgf/cm²
1-1/4" ~ 1-1/2" 30 kgf/cm² 20 kgf/cm²
2" 20 kgf/cm² 15 kgf/cm²
PTT Two-Way Shutoff Quick Couplings Plug
Part No Thread Size Dimensions h
P-PT J L
PTT1 1/8" 19 29 Hex 14
PTT2 1/4" 22 35.5 Hex 17
PTT3 3/8" 25 40 Hex 21
PTT4 1/2" 28 44 Hex 27
PTT6 3/4" 36 52 Hex 35
PTT8 1" 40 62 Hex 41
PTT10 1-1/4" 45 70 WAF 54
PTT12 1-1/2" 49 75 WAF 63
PTT16 2" 52 80 WAF 77
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Two-way Shutoff Quick Couplings Plug (PTT ) – CHIBIN Machine

Since 1980 in Taiwan, CHIBIN Machine makes Two-way Shutoff Quick Couplings Plug —compression, push-in pneumatic, hydraulic, quick couplings, and precision nozzle and needle valves for medical and semiconductor use.

Our fittings are ISO-certified and TTQS-awarded, with MIL-STD-105E quality checks. We stock 10,000+ standard parts and offer OEM/ODM custom runs up to 3,000 pcs.

With advanced CNC manufacturing and 40+ years of experience, CHIBIN Machine meets tight specs for surface finish, thread standards, and leak-tight testing. Get a fast quote today.