RVHS Signal elastic seat sealing gate valveDetailed product description：

1、 Overview:

Signal gate valves and signal butterfly valves are commonly used in automatic sprinkler fire protection pipeline systems to monitor water supply pipelines and remotely indicate valve opening.
Rising stem gate valves and gate valves with opening indication are also commonly used in fire protection systems. If the installation position of the gate valve is high above the ground, rising stem gate valves are generally used to clearly indicate the valve opening. If the installation position is low, rising stem gate valves can be used. Then it is necessary to attach an opening indicator gate valve.



3、 Main external dimensions: Unit: mm

Nominal Diameter	D1		D2		N-φD		L	H
	1．OMPa	1.6MPa	1．OMPa	1.6MPa	1．OMPa	1.6MPa
fifty	one hundred and thirty-five		one hundred and twenty-five		4-19		one hundred and seventy-eight	three hundred and forty
sixty-five	one hundred and eighty-five		one hundred and forty-five		4-19		one hundred and ninety	three hundred and seventy
eighty	two hundred		one hundred and sixty		8-19		two hundred and three	41O
one hundred	two hundred and twenty		one hundred and eighty		8-19		two hundred and twenty-nine	four hundred and fifty
one hundred and twenty-five	two hundred and fifty		21O		8-19		two hundred and fifty-four	one hundred and eighty
one hundred and fifty	two hundred and eighty-five		two hundred and forty		8-23		two hundred and sixty-seven	five hundred and fifty
two hundred	three hundred and forty		two hundred and ninety-five		8-23	12-23	two hundred and ninety-two	six hundred and thirty
two hundred and fifty	four hundred and five		three hundred and fifty	three hundred and fifty-five	12-23	12-28	three hundred and thirty	seven hundred and fifty
three hundred	four hundred and sixty		four hundred	four hundred and ten	12-23	12-28	three hundred and fifty-six	eight hundred and twenty
three hundred and fifty	five hundred and twenty		four hundred and sixty	four hundred and seventy	16-23	16-28	three hundred and eighty-one	nine hundred and eighty
four hundred	five hundred and eighty		five hundred and fifteen	five hundred and twenty-five	16-28	16-31	four hundred and six	one thousand and ten

(Flange drilling shall comply with GB/T17241.6-1998 standard.). Pn25 specifications and dimensions are not listed. If there are special specification requirements, please contact the business department