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FAQ

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I man leh quality level engzat nge ni?

TWS Valve man hi quality inang a nih chuan a inel hle a,kan quality pawh a sang hle.

Engvangin nge supplier dang thenkhat chuan an man a tlawm zawk?

Chutiang a nih chuan,quality a danglam tur a ni,ductile iron/steel tha lo an hmang ,leh rubber seat tha lo an hmang a,an rit chu a tlangpui aia hniam a ni,an valve service life pawh a tawi zawk hle.

Eng cerfication nge i company hian a pawmpui?

TWS Valve hian CE,ISO 9001,WRAS,ISO 18001 a nei a.

I butterfly valve design standard chu eng nge ni?

TWS butterfly valve te chu API 609,EN593,EN1074,etc te nen an inzawm a;

I YD butterfly valve leh MD butterfly valve te hi eng nge an danglamna?

A danglamna ber chu flanged drill of YD hi universal standard of a ni
PN10&PN16&ANSI B16.1, Mahse MD hi a chiang hle.

I rubber seated butterfly valve nominal pressure chu engzat nge ni?

TWS butterfly valve hian normal PN10,PN16,Mahse PN25 pawh a tawk thei bawk.

I valve hi engzat nge max size?

TWS Valve thatna chu valve lian tak,wafer/lug type butterfly valve ang chi,DN1200 kan pe thei,flanged type butterfly valve,DN2400 kan pe thei.

Kan brand hmang hian OEM hmangin valve i siam thei ang em?

TWS Valve hian i brand nen valve a siam thei a, qty meet MOQ a nih chuan.

Kan ramah hian i agent kan ni thei ang em?

Yes,kan agent i ni thei a nih chuan ,a man a tha zawk ang a, a hniam zawk ang,production date a tawi zawk ang.

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