Ductile Iron Fire Fighting Signal Butterfly Valve

The JOEPAI Ductile Iron Fire Fighting Signal Butterfly Valve represents the integration of traditional flow control technology with modern monitoring capabilities for comprehensive fire protection systems. These fire fighting signal butterfly valves feature robust ductile iron construction with superior corrosion resistance, making the signal butterfly valves suitable for demanding applications in various environmental conditions. The ductile iron valves incorporate an advanced electrical signaling device that provides real-time valve position status to central fire control panels, ensuring immediate system monitoring and verification. Designed with a compact profile and lightweight construction, the fire fighting butterfly valves facilitate straightforward installation while maintaining exceptional durability and long service life. The innovative design of these signal butterfly valves combines reliable performance with intelligent monitoring capabilities, creating an optimal solution for modern fire protection requirements.

Features

1.Small size and light weight makes it easy to install and maintain. Also it can be installed wherever needed;

2.Simple and compact construction, quick 90 degrees on-off operation;

3.Minimized operating torque, energy saving;

4.Excellent regulation performance and long service life;

5.Can be used for various medium;

6.Can be used as a conditioning and shut-off device on a variety of corrosive, non-corrosive gas, liquid, semi-fluid and solid powder lines and vessels;

7.It is suitable for systems such as petroleum, chemical industry, foodstuff, medicine, papermaking, water supply and so on;

8.Flow curve tending to straight line, excellent regulation performance.

Main Technical Data

Size: DN50-DN300 (2"-12")

Nominal pressure: PN1.0-1.6MPa

Working temperature: 15-150°C

Medium: Fresh water, sewage, seawater, air, steam, food, meatball, etc.

Microswitch capacity: AC, 220V, 1A; DC, 30V, 0.5A

Available Material：Ductile Iron, Cast Iron, Stainless Steel, Carbon Steel, Aliminum Bronze

Pressure and temperature

working pressure	PN10, PN16
testing pressure	shell: 1.5 times rated pressure seat: 1.1 times rated pressure
working temperature	-10 °C to 80°C (NBR) -10 °C to 120°C (EPDM)
suitable media	water, oil and gas

Main material list

parts	material
body	cast iron, ductile iron,
seat	EPDM, NBR,VITON, PTFE
disc	nickel ductile iron,AI bronze, stainless steel
stem	carbon steel, stainless steel
bushing	PTFE
"O" ring	PTFE
pin	stainless steel
key	stainless steel

 Executive Standard:

Design Standard	EN 593 , MSS SP67   API 609  BS5155
Inspection & Test	API 598  ISO 5208  EN 12266
End Standard	ANSI B16.1 CL. 125LB & B16.5 CL. 150LB AS 2129 Table D & E   BS 10 Table D & E DIN 2501 PN6, PN10 & PN16 EN 1092 PN6, PN10 & PN16 ISO 2531 PN6, PN10 & PN16 ISO 7005 PN6, PN10 & PN16 KS B 1511 / JIS B 2210 5K & 10K MSS SP44 CL. 150LB  AWWAC207 SABS 1123 Table 1000/3 & Table 1600/3
Face to Face	ISO 5752 , EN 558 , MSS SP67 and API 609  DIN3202
Top Flange	ISO 5211