MILWAUKEE VALVE 509 1 1/4 Swing Check Valve, 509 Series, 1 1/4 in, FNPT x FNPT,

MILWAUKEE VALVE Series 509 is a 1-1/4 in swing check valve with an inline bronze body and FNPT x FNPT threaded connections. It uses a hinged swing mechanism to support one-way flow applications and reverse-flow checking. Intended for general purpose service within the listed ratings, it is rated for use with gas, oil, steam, and water, with flow capacity listed at 54 gpm and Cv of 54.

Key Features:

• Valve type: Swing check valve with inline body design
• Body material: Bronze
• Check mechanism and seat: Brass mechanism with brass seat; bronze seal material also listed
• Connection size and type: 1-1/4 in FNPT x FNPT, female NPT on both ends
• Flow capacity: 54 gpm; Cv of 54
• Cracking pressure: 0.750 to 1.000 psi
• Pressure ratings: 200 psi WOG, 125 psi WSP, and 200 psi at 150 Degrees F maximum water pressure
• Temperature range: -20 Degrees F to 406 Degrees F
• Mounting orientation: Horizontal or vertical
• Overall length: 3.56 in
• Standards: ASTM B16, ASTM B62

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