Butterfly Valve with Tamper Switch | 1-1/4 in. | Threaded (NPT) | 175 PSI

SKU:
71-MC-BFTTTS-170000
Manufacturer Part Number:
XD311X-1.25

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MSRP: $199.50
$173.45
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Butterfly Valve with Tamper Switch | 1-1/4 in. | Threaded (NPT) | 175 PSI | QRFS | Hero Image

Butterfly Valve with Tamper Switch | 1-1/4 in. | Threaded (NPT) | 175 PSI | QRFS | Hero Image
Butterfly Valve with Tamper Switch | 1-1/4 in. | Threaded (NPT) | 175 PSI | QRFS | Side Image
Butterfly Valve with Tamper Switch | 1-1/4 in. | Threaded (NPT) | 175 PSI | QRFS | Label Image
Butterfly Valve with Tamper Switch | 1-1/4 in. | Threaded (NPT) | 175 PSI | QRFS | Threaded Connections Image
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Butterfly Valve with Tamper Switch | 1-1/4 in. | Threaded (NPT) | 175 PSI | QRFS | Hero Image
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Overview

1-1/4 in. NPT Butterfly Valves for Fire Protection Systems

This 1-1/4 in. Threaded (NPT) durable ductile iron Butterfly Valve with Tamper Switch offers precision flow control of gas, fluids, and semi-solids, specifically in fire protection/fire sprinkler systems and standpipes. With a rated working water pressure of 300 PSI (Grooved, Wafer) or 175 PSI (NPT Threaded) and maximum rated working temperature of 212F (100C) (Grooved) or 176F (80C) (NPT Threaded and Wafer), this valve is suitable for indoor or outdoor use in water-based systems, including as a control valve in fire protection systems.

The handwheel assembly delivers a slow open and slow close, forming a leak-tight seal between the Iron disc and rubber O-ring. A fitted tamper switch allows this threaded Butterfly Valve to activate a local alarm bell or horn when the valve comes to a partial or complete close. The bright-yellow position indicator offers an at-a-glance indication of the valve's position. When closed, the down-flow end of the pipe can be replaced without draining the entire system.

Working at 125/250 VAC, this valve features dual supervisory switches and wiring, making it easy to connect to a fire control panel.

Fire Protection Butterfly Valve with Tamper Switch Options & Additional Information

This Butterfly Valve is UL Listed and FM Approved. It is available in 3 different connection types, each with their own sizing options:

Grooved – 2 in., 2-1/2 in., 3 in., 4 in., 6 in., 8 in.

Threaded (NPT) – 1 in., 1-1/4 in., 1-1/2 in., 2 in.

Wafer – 3 in., 4 in., 6 in., 8 in.

Specifications
QRFS SKU:
71-MC-BFTTTS-170000
Manufacturer:
MECH
Valve Type:
Butterfly Valve
Number of Connections:
2 Connections
Connection Type:
Threaded (NPT)
Body Material:
Ductile Iron
Other Material:
Rubber O-Ring, Steel & Rubber Disc
Size:
1-1/4 in.
Size Detail:
1-1/4 in. NPT x 1-1/4 in. NPT
UL Listed:
Yes
FM Approved:
Yes
Rated Working Water Pressure:
175 PSI
Max Working Temperature:
176F (80C)
Electrical Connection(s):
Yes
Tamper Switch:
Yes
Voltage:
125/250 VAC
Finish:
Red
Length:
1.93 in. (49.02 mm)
Width:
4.92 in. (124.97 mm)
Height:
6.08 in. (154.43 mm)
Weight:
3 lb. (1.36 kg)
Available Box/Pack Quantity:
1
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