Thermoplastic Coupler

SERIES 74 KB - 1/2" Body - Manual Double Shut-Off - NOMINAL PLUG BORE .43"


Specifications:
  • Working Temperature: depending on medium
    -4°F up to +210°F (NBR)
    -40°F up to +250/300°F (EPDM)
    +5°F up to +400°F (FKM)
    32°F up to +600°F (FFKM)
    At a temperature below -4°F and above +300°F special seals are available.

  • Working Pressure: Maximum static working pressure 120°F with 4 to 1 design factor.
    Standard: 2175psi
    Stainless: 3625psi
    POM (Plastic) : 220psi
Note:
  • BSP Female threads are available upon request.
The 74 KB Series is a double shut-off hydraulic coupling used for liquid media. The plug profile is manufactured in accordance with ISO-7241-1, Series B. All 74 KB versions are manufactured from non-rusting materials.

Material
COUPLER STANDARD AISI 303 AISI 316 L (POM)
Plastic
Back Body Brass AISI 303 AISI 316 L POM white
Sleeve Brass AISI 303 AISI 316 L POM white
Valve Brass AISI 303 AISI 316 L Brass
Spring & Locking Ring AISI 301 AISI 301 AISI 316 TI AISI 301
Locking Balls AISI 420 AISI 316 AISI 420 AISI 420
Seals NBR NBR FKM NBR
Spring Plate AISI 301 AISI 301 AISI 316 L AISI 301
PLUG
Plug Profile Brass AISI 303 AISI 316 L POM white
Valve Brass AISI 303 AISI 316 L AISI 303
Spring AISI 301 AISI 301 AISI 316 TI AISI 301
Seal NBR FKM FKM NBR
Spring Plate AISI 301 AISI 301 AISI 316 L AISI 301
Series 74 KB Couplers
Coupler
Type		 Connection
(A)		 Hex
(SW)		 Length
(L)		 Depth
(D)		 L1 Standard
Design P/N		 AISI 303
P/N		 AISI 316 L
P/N		 POM
Plastic
Female Thread 3/8" NPT .86 2.51 1.37 .45 73KBIT17 MPX 73KBIT17 RVX 73KBIT17 EVX 73KB IT17 DPX

74KB Brass
Coupler
74KB POM
Coupler

Series 74 SB Valved Plugs
Coupler
Type		 Connection
(A)		 Hex
(SW)		 Length
(L)		 L1 Standard
Design P/N		 AISI 303
P/N		 AISI 316 L
P/N		 POM
Plastic
Female Thread 1/2" NPT 1.06 1.89 .63 74SB IT21 MPX 74SB IT21 RVX 74SB IT21 EVX 74SB IT21 DPX

74SB Brass
Plug
74SB POM
Plug