Apollo Conbraco 78-261 User Manual

78257 THRU 78267 SERIES

Brass And Bronze Instrumentation Ball Valve

Male x Female NPT Thread. 400 CWP (psig), Cold Non-Shock.
Air & Liquid Service Rating.

FEATURES

• Micro-nish ball

• Nitrile stem seal

• Optional mixed end ttings available

• Blow-out-proof stem design

• Plated steel tee handle

• PTFE seats

• Compact design

STANDARD MATERIAL LIST

PART MATERIAL

1 Lever and grip Steel, zinc plated w/vinyl
2 Drive pin Steel, zinc plated
3 O-Ring Nitrile
4 Stem B16
5 Seat (2) PTFE
6 Stem boss B16
7 Ball* B16
8 Stem screw Steel, zinc plated
9 Retainer B16
10 Body B16 or B584-C84400

* Chrome Plated Ball In Bronze Valves.

TEE
HANDLE
NUMBER

BRASS INSTRUMENTATION BALL VALVE

78-260-05 1/8”M x 1/8”F 0.21 0.37 1.43 0.87 1.25 4.0 0.20
78-261-05 1/4”M x 1/4”F 0.31 0.43 1.43 0.87 1.25 5.5 0.19

SCREW SLOT
NUMBER

BRASS INSTRUMENTATION BALL VALVE

78-262-05 1/8”M X 1/8”F 0.21 0.37 1.43 0.75 N/A 4.0 0.20
78-263-05 1/4”M X 1/4”F 0.31 0.43 1.43 0.75 N/A 5.5 0.19

*The Cv factor is the gallons of water per minute that the valve will pass with a 1 psig pressure drop.

SIZE A B C D E Cv* W T.

SIZE A B C D E Cv* W T.

H-14

SCREW SLOT
NUMBER

BRONZE INSTRUMENTATION BALL VALVE

78-257-01 1/8”M x 1/4”F 0.21 0.80 1.60 0.72 N/A 4.0 0.19
78-258-01 1/4”M x 1/4”F 0.31 0.80 1.60 0.72 N/A 5.5 0.19

LEVER
HANDLE
NUMBER

BRONZE INSTRUMENTATION BALL VALVE

78-267-01 1/4”M X 1/4”F 0.25 0.65 1.45 0.93 1.37 5.5 0.20

*The Cv factor is the gallons of water per minute that the valve will pass with a 1 psig pressure drop.

FOR PRESSURE/TEMPERATURE RATINGS,REFER TO PAGE M10, GRAPH NO. 3

SIZE A B C D E Cv* W T.

SIZE A B C D E Cv* W T.

www.apollovalves.com Customer Service [phone]