Ningbo Sabe Machinery Manufacturing
Schrader Pneumatic Coupling

S Series - Schrader Twist-Lock Interchange Air Single Shut-Off Coupling

Single Shut-Off Air Quick Couplings
Conform To
Schrader Twist-Lock


The “Schrader Twist-Lock” plug design is easily recognized and identified. Deep groove designed for toggle pawls lock from coupler.

Schrader Male Connector Schrader Female Nipple
Male Pipe Thread Female Pipe Thread

■ End Configuration: Male Pipe, Female Pipe, Hose Barb, other styles & sizes available on your request ■ Thread Type & Sizes: R(BSPT), G(BSPP), N(NPT) - 1/8" to 3/4" ■ Material: Brass(Optional Nickel Placted), Hardened Steel(Zinc Plated) ■ Body Size: 1/4"

Twist Sleeve To Connect Coupler/Socket

Air Coupler RECTUS 17KA

Schrader Twist-Lock Interchange Ring Locking, Shut-Off Quick Connect Coupler

Operation - Engineered for speedy coupling and uncoupling. To lock - push in, to unlock - give the coupler sleeve a 25° rotation. Designed to protect against accidental uncoupling.

PARKER Twist-Lock Series, TOMCO TL Series, RECTUS 17KA Series, DIXON SHD Sereis, FOSTER SHD Series....


Body Size (inch) 1/4" Seal Standard NBR(Nitrile)
Rated Pressure (psi) 300 Temperature Range -40°C to +120°C
Min. Burst Pressure(psi) - Coupler Only 3000 Vacuum 26" Hg (connected)
Min. Burst Pressure(psi) - Connected 8000 Thread Size 1/8", 1/4", 3/8"


  1. Body Materies: Zinc-Plated Steel, Brass(Optional Nickel-Plated Suffix B), Stainless Steel(Suffix SS). Optional seal and valve materials available.
  2. Optional sleeve guards to prevent accidental snagging and disconnection.
  3. Connection Style: Male Pipe, Female Pipe, Hose Barb, other styles & sizes available on your request.
  4. Thread Type & Sizes: R(BSPT), G(BSPP), N(NPT) - 1/8" to 3/8"
  5. Body Size: 1/4"


S series are widely used to connect general purpose air lines and can also be used with low pressure fluids, such as air tools, automotive, compressed air, mechanical engineering, compressors, compressed air, water, grease, paint, limited vacuum and limited gases.