Flat Face/Steel Standard: ISO 16028 (DN06→DN30) Occlusion: flat face Locking: radial balls Material: steel Finishing: Zn-Fe (Cr III) and Zn-Ni Threads: BSP-NPT-SAE-METRICS Standard seals: NBR and PU Working temperature: -13°F+212°F Optional seals: FKM, EPDM or more Working pressure: 5,075 - 7,250 PSI Connection under residual pressure: not allowed Sizes Offered: 1/4” - 1” Options: FFK series connect under pressure male Sizes Offered: 1/4” - 1” Accessories offered: Rubber cap and plug THESE ARE SOLD AS INDIVIDUALS NOT SETS C = COUPLER/FEMALE N= NIPPLE/MALE