Dixon® API Coupler with Bonded Nose Seal and Stainless Steel Internal Spring, Connection Type 1: TTMA Flange, Connection Size 1: 4 in, 150 psi, Aluminum, -10 to 400 deg F, For Use With: Crude Oil
Modular design, allows various face seal combinations to be compatible with different alternative fuel/performance levels and applications
No special tools need for maintenance, very easy
Shaft seals can be changed without removing coupler from loading arm
Locking 5 cam design for easy alignment and tight connection and safety interlock to help ensure coupler properly attached before valve opens
Ball-end handle for easy and comfortable operation
356 T6 aluminum anodized hard-coat body with aluminum handle and stainless steel hardware
FKM-B seal
Hardened 17-4PH stainless steel link, shaft, pin and crank
Stainless steel cam
4 in TTMA inlet mounting flange connection
Stainless steel wave spring
Manufactured to American Petroleum Institute standard API RP-1004, which allows for positive connection to API valves such as the Dixon Bayco 5204 Series API valves
Applications: Recommended for crude oil service, API couplers are used at the petroleum loading rack for bottom loading of petroleum tankers. They are mounted to the rack loading arm, using the built-in 4 in TTMA flange connection. When the empty petroleum tanker pulls into the loading rack to load, the API couplers are connected to the API valves on the tanker. The connection interface consists of a poppet and a plunger, which ensures a positive spill-free connection