Q346 four-way valve

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Q346 four-way valve

Q346F four-way valve characteristics

1, small fluid resistance, sphere and body connection pipe cross section are equal, and arc sphere channel adopted, medium through the sphere is, fluid resistance is small.
2, sealed performance is good, the seat USES the elastic deformation and high strength of PTFE material, good sealing performance to ensure the stability of the valve.
3, long service life: see the neck of the valve core and light material austenite stainless steel, PTFE seat material selection, can achieve good corrosion resistance, extend the service life of the valve.LL type spool valves only operate wrench or actuator with ball rotate 90 degrees, at the same time to switch of two kinds of medium flow, convenient and quick, achieve the effect of one valve is multi-purpose.

Q346f four-way valve
Part 1, manual handle can be made of steel or stainless steel casting handle.Handle sets limit structure, set in the position of the valve open and close limit, when the valve is used in the key device, the spacing block has a lock can lock on off position to avoid wrong operation.Handle has obviously and off.
2, the valve stem a182f (1 cr13) integral forging processing and modulation, hardness of hb220 ~ 250.Stem through key spline or the parties connected to the handle, strong commonality, easy tear open outfit.Stem with blow-out proof design.
3, valve filling knitting, flexible graphite sealing ring or ptfe seals, lubrication situation of the stem in a reliable seal.
4, according to the needs, the ball valve can be designed as antistatic structure, in the sphere and valve stem, valve stem and valve body between the conductive spring, avoid electrostatic spark to ignite flammable material, ensure the security of the system.
5, sealing deputy various forms.According to the different condition can choose soft seal and hard seal, such as fire seat structure;6 the following for floating ball form, dn200 for fixed ball form below.
6, ball valve seat in auxiliary seal structure can be set up, in the seat and the valve stem parts add fat injection valve, an emergency can be temporarily seal, and according to need to lengthen the valve stem to appropriate buried laying venues.

Q346f four-way valve pn1.6 mpa main connection to the size and weight

dn		150		200×150		200		250×200		250	300×250			300		350×300		350		400×350		400		450×400		450		500×450		500		600×500		600
d1		150		150		200		200		250	250			300		300		350		350		400		400		450		450		500		500		600
l		570		570		670		670		760	760			850		850		980		980		1080		1080		1220		1220		1360		1360		1750
h		219		219		273		273		360	360			395		395		430		430		470		470		550		550		580		580		700
manual	h1		330		330		398		398			495	495		580		580		625		625		670		670		698		698		840		840		1050
	e		-		-		116		116			116	116		171		171		171		171		257		257		257		257		257		257		150
	f		-		-		350		350			350	350		400		400		420		420		400		400		420		420		400		400		410
	w		1050		1050		600		600			600	600		800		800		800		800		800		800		800		800		800		800		800
electric	h2		554		554		600		600			652	652		760		760		770		770		830		830		-		-		940		940		1020
	l1		235		235		235		235			235	235		259		259		400		400		400		400		-		-		410		410		410
pneumatic	h3		666		666		736		736			926	926		1059		1059		1127		1127		1393		1393		1468		1468		1538		1538		1370
	l2		776		776		736		736			776	776		1060		1060		1060		1060		1360		1360		1360		1360		1360		1360		2840

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