PBD DIRECT OPERATED PRESSURE RELIEF VALVES

Whakaahuatanga Poto:

Ko nga reera awhina raupapa PBD he momo poppet whakahaere tika hei whakaiti i te pehanga i roto i te punaha waipēhi. Ka taea te wehewehe i te hoahoa ki te poppet (Max.40Mpa) me te momo poi. E ono nga awhe whakatikatika pehanga e waatea ana 2.5;5;10;20;31.5;40Mpa. He ahuatanga o te hanganga kiato, mahi nui, mahi pono, iti haruru me te roa o te ratonga. Ko enei raupapa e whakamahia nuitia ana ki te maha o nga punaha rere iti, ka taea hoki te whakamahi hei paera awhina me te paera mana mamao, etc.

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takirere me te mana mamao, etc.

Raraunga hangarau

Rahi	6	8	10	15	20	25	30
Te pehanga mahi(Mpa)	31.5
Morahi .tere rere(L/mene)	35	60	80	150	200	250	300
Te pāmahana wai(℃)	-20～70
Tikanga tātari(µm)	25
PBD K Taumaha(KGS)	0.4		0.5		0.9		2.1
PBD G Taumaha(KGS)	1.6	3.6	3.6	6.9	6.9	15.2	15.2
PBD P Taumaha(KGS)	1.7		3.7		7.1		15.7
Te tinana takirere（Material）Te maimoatanga mata	Te Waahanga Pango Te Mata Tino
Te maa hinu	NAS1638 akomanga 9 me ISO4406 akomanga 20/18/15