Helical Gear Box Manufacturer,Helical Gear Box Supplier,Wholesale,Exporter,Trader,Distributor

Product Description

The series is a 90ÃâÃÂ° (+ 5 degree adjustable) part of the rotary manual drive device. Suitable for ball valves, butterfly valves, plug valves and other types of valves.The box is made of nodular cast iron with novel style and beautiful appearance. Flange all using ISO 5211 international standards, and the valve is more convenient. Ambient temperature

Model		YZQ-68S						YZQ-178		YZQ-275		YZQ-525
Technical Parameters
Ratio		136:1						178:1		275:1		525:1
Input torque N.m		130						150		150		150
Output torque Nm		4500						7000		9000		18000
M.A.ÃâÃÂ±10%		34.5						47		60		120
Butterfly valve DN		600-650						700-800		900-1100		1200-1300
Ball-valve DN		350						400		450		500-600
Connection Size
Flange		F16	/	F20	/	/	F25	F16	F25	F25	F30	F25	F30
(D)		210	255	255	255	255	300	210	300	300	350	350	350
PCD	D0	165	197	200	216	225	254	165	254	254	298	254	298
	N-H-DP	4xM20-30	8xM16-24		4xM20-30	8xM16-24		4xM20-30	8xM16-24	8xM16-24	8xM20-30	8xM16-24	8xM20-30
(D2)		130	160		150	160	200	130	200	200	230	200	230
F (f1)		5(3)	5(3)		5(3)	5(3)	5(3)	5(3)	5(3)	5(3)	5(3)	5(3)	5(3)
ÃÅ½ÃÂ¦d		70						75		95		110
Install-height		107						125		146		157
handwheel		600						600		600		600
Appearance Size
A		343						393		465		546
B		252						266		307		370
E		126						126		138		169
F		264						286		335		374
H1		99						117		137		148
h		59						61		69		76
L		104						179		209		249
L1		137						128.5		159		84
Q		245						248		264		350