ORFS Fittings

SAE O-ring Face Seal Fittings

SAE O-ring face seal (ORFS) fittings seal liquids and gases from vacuum to 6000 psig. ORFS  fitting can be applied to tubing or pipe.  They are very versatile fluid connectors because it works exceptionally well on both fluids and gases.  They are "zero clearance" fittings meaning that they can be inserted and removed from systems without cutting or flexing the pipe or tubing.  The makes them ideal for systems requiring frequent maintenance and for valves and other components requiring periodic maintenance or replacement.

Features

    • Zero clearance system - No need to spring or pull the tubing to insert or remove a fitting or other components for installation or maintenance.
    • Unlimited remakes - Fittings can be disassembled and reassembled many times. Simply replace the o-ring and tighten to recommended torque.
    • Forgiving assembly - Soft Seal fittings conform well to irregularities in the fitting face or sleeve. So, while proper technique and handling should be observed during assembly, the tube fitting is forgiving of assembly variation.

Specifications

  • Working Pressure: Vacuum to 6000 psig
  • Temperature Rating:  Up to 400° F (204° C)
  • Body Materials: 316/316L SS, and Alloy 400
  • O-ring Materials: FKM (Standard), Buna, others available
  • Sizes: 1/8 to 2 in.
  • End Connections: ORFS, NPT, BSP, SAE, NPSM
  • Shapes: Straight, Elbows, Tees, Bulkheads

How Soft-Seal O-ring Face Seal Fittings Work

The Soft-Seal fitting assembly consists of four parts: threaded fitting body with o-ring groove, o-ring, nut, and sleeve or tailpiece. The standard o-ring is Buna-N. Other o-rings have been tested and are available for special applications.

The fitting assembly seals when the bottom of the sleeve or tailpiece, which has been fixed to the tubing, compresses the o-ring in the face of the threaded fitting body as the fitting nut is threaded onto the external threads on the fitting body. The threading process draws the sleeve into full contact with the face of the fitting. Sleeves or tailpieces can be secured to the tubing either by brazing, welding, or mechanically flanging the tubing.

Installation Torque
Size Tube OD Torque (in./lb.)
-4 1/4 20-40
-6 3/8 25-50
-8 1/2 40-75
-10 5/8 60-120
-12 3/4 110-220
-16 1 180-350
-20 1 1/4 265-530
-24 1 1/2 360-720
-32 2 750-1490
ORFS Fittings - 90ºELBOW ORFS MALE O-RING
ORFS Fittings - 90ºELBOW ORFS MALE O-RING
ORFS Fittings - 90º ORFS MALE-NPT MALE
ORFS Fittings - 90º ORFS MALE-NPT MALE
ORFS Fittings - SAE O-RING BOSS-BSP FEMALE 60º CONE
ORFS Fittings - SAE O-RING BOSS-BSP FEMALE 60º CONE
ORFS Fittings - 90º ORFS MALE-BSP MALE WITH O-Ring
ORFS Fittings - 90º ORFS MALE-BSP MALE WITH O-Ring
ORFS Fittings -  90º SAE O-RING BOSS-ORFS FEMALE
ORFS Fittings -  90º SAE O-RING BOSS-ORFS FEMALE
ORFS Fittings - 90º ORFS MALE-SAE MALE WITH O-
ORFS Fittings - 90º ORFS MALE-SAE MALE WITH O-
ORFS Fittings - 90º ORFS MALE-SAE MALE WITH O- 1
ORFS Fittings - 90º ORFS MALE-SAE MALE WITH O- 1
ORFS Fittings -  90º ORFS MALE-METRIC MALE WITH O-RING
ORFS Fittings -  90º ORFS MALE-METRIC MALE WITH O-RING
ORFS Fittings - 90º ORFS MALE-ORFS FEMALE
ORFS Fittings - 90º ORFS MALE-ORFS FEMALE
ORFS Fittings - SAE O-RING BOSS-JIC FEMALE 74º SEAT
ORFS Fittings - SAE O-RING BOSS-JIC FEMALE 74º SEAT
ORFS Fittings - SAE O-RING BOSS-NPT FEMALE
ORFS Fittings - SAE O-RING BOSS-NPT FEMALE
ORFS Fittings - 90º SAE O-RING-BOSS-NPT FEMALE
ORFS Fittings - 90º SAE O-RING-BOSS-NPT FEMALE
ORFS Fittings - 90º ORFS MALE BULKHEAD
ORFS Fittings - 90º ORFS MALE BULKHEAD
ORFS Fittings - 45º ORFS MALE-ORFS FEMALE
ORFS Fittings - 45º ORFS MALE-ORFS FEMALE
45º ORFS MALE-SAE O-RING BOSS
ORFS Fittings - 45º ORFS MALE-SAE O-RING BOSS
ORFS Fittings
ORFS Fittings - 45º ORFS MALE-NPT MALE
ORFS Fittings - SAE MALE WITH O-RING-BSP FEMALE 60º CONE
ORFS Fittings - SAE MALE WITH O-RING-BSP FEMALE 60º CONE
ORFS Fittings - ORFS MALE-ORFS MALE-BSP MALE O-RING
ORFS Fittings - ORFS MALE-ORFS MALE-BSP MALE O-RING
ORFS Fittings
ORFS Fittings - ORFS MALE-BSP MALE O-RING-ORFS MALE
ORFS Fittings
ORFS Fittings - ORFS MALE-SAE O-RING BOSS-ORFS MALE
ORFS Fittings
ORFS Fittings - ORFS MALE-ORFS MALE-SAE O-RING BOSS
ORFS Fittings 
ORFS Fittings - ORFS FEMALE-ORFS FEMALE-ORFS MALE
ORFS Fittings
ORFS Fittings - JIC FEMALE-JIC FEMALE-JIC MALE
ORFS Fittings
ORFS Fittings - Male Tee-PAF
ORFS Fittings
ORFS Fittings - ORFS MALE-ORFS FEMALE-ORFS MALE
ORFS Fittings
ORFS Fittings - ORFS MALE-ORFS MALE-ORFS FEMALE
ORFS Fittings - ORFS MALE PLUG
ORFS Fittings - ORFS MALE PLUG
ORFS Fittings
ORFS Fittings - SAE O-RING BOSS PLUG
ORFS Fittings 
ORFS Fittings - SAE O-RING BOSS HOLLOW HEX PLUG
ORFS Fittings - ORFS FEMALE FLAT PLUG
ORFS Fittings - ORFS FEMALE FLAT PLUG
ORFS Fittings - ORFS MALE O-RING
ORFS Fittings - ORFS MALE O-RING
ORFS Fittings - ORFS MALE FLAT-BSP O-RING SEAL
ORFS Fittings - ORFS MALE FLAT-BSP O-RING SEAL
ORFS Fittings - ORFS MALE-SAE O-RING BOSS
ORFS Fittings - ORFS MALE-SAE O-RING BOSS
ORFS Fittings - SAE O-RING BOSS-BSPT MALE
ORFS Fittings - SAE O-RING BOSS-BSPT MALE
ORFS Fittings 
ORFS Fittings -  SAE O-RING BOSS-ORFS FEMALE
ORFS Fittings
ORFS Fittings - ORFS MALE-BSP MALE
ORFS Fittings
ORFS Fittings - ORFS MALE-ORFS FEMALE
ORFS Fittings
ORFS Fittings - SAE O-RING BOSS-SAE FEMALE
ORFS Fittings
ORFS Fittings - SAE O-RING BOSS-BSP FEMALE 60º CONE 1
ORFS Fittings
ORFS Fittings - SAE O-RING BOSS-SAE FEMALE 1
ORFS Fittings
ORFS Fittings - ORFS MALE-JIC FEMALE 74º SEAT
ORFS Fittings
ORFS Fittings - ORFS MALE-BSPT MALE
ORFS Fittings
ORFS Fittings - SAE O-RING BOSS
ORFS Fittings 
ORFS Fittings - ORFS MALE-METRIC MALE WITH O-RING
ORFS Fittings
ORFS Fittings - ORFS MALE-NPT MALE
ORFS Fittings
ORFS Fittings - SAE O-RING BOSS
ORFS Fittings
ORFS Fittings - SAE O-RING BOSS-JIC FEMALE 74º SEAT 1
ORFS Fittings
ORFS Fittings - ORFS FEMALE FLAT
ORFS Fittings
ORFS Fittings - ORFS MALE BULKHEAD
ORFS Fittings
ORFS Fittings - ORFS METRIC SLEEVE
ORFS Fittings
ORFS Fittings - ORFS INCH SLEEVE
ORFS Fittings
ORFS Fittings - LOCKNUT FOR SAE O-RING BOSS
ORFS Fittings 
ORFS Fittings - ORFS LOCKNUT
ORFS Fittings 
ORFS Fittings - ORFS NUT