HGB Worm Gearbox for Butterfly Valve

Description

HGB series valve manual device adopts worm gear and worm drive pair.and high performance needle roller bearing is installed at both ends of the worm, with compact structure. At the same time, the requirement of thrust in the process of positive inversion is ensured, Large torque, high mechanical efficiency, small size, easy operation and reliable self locking.

Main Product features

• Precision casting aluminum alloy box
• Specifications are optional.
• Reliable thrust roller bearing
• High strength steel input shaft with protection.
• Stroke:0-90°(±5° degrees adjustable)
• Built in grease to improve service life.
• Adjustable mechanical limit.
• Good seal

Connect With Valve

HGB series valve worm gear box and valve connection using flange connection mode, connection flange size conforms to EN ISO 5210 or DIN 3210 requirements, can also be customized according to customer requirements.

Work Environment

HGB series angular stroke worm gearbox is suitable for industrial site in various climatic regions and special temperatures. It has reliable operation stability and long-term maintenance-free guarantee. At the same time, we strive to make our gearbox can adapt to a variety of harsh environments and improve stability. Waterproot grade: HGB series reduction gearbox meets the IP67 sealing protection level stipulated by EN 60529 standard. Working temperature: the standard temperature of HGB series worm gear box is -30℃ to + 120℃(-22°F to+250°F). Spray paint color: HGB series worm gear box standard surface paint color is black and red (also can be customized according to customer requirements)

Product Application

HGB Series Valve Worm Gear Box is a 90° rotation worm gear reducer, providing a variety of handwheel models for customers to choose. suitable for ball valves, butterfly valves and other 90 degree rotation valves, can also be used in the flow bafle and power plant air gate and other occasions.

	No.	Name	Material
	1	Transparent indicator cover	PC Pllycarton resin
	2	Screw	304
	3	Screw	304
	4	Cover	ADC12
	5	Worm gear	QT450
	6	Regulating screw	304
	7	Rack	45# steel
	8	Stuffy cover	Butadiene-acrylonitile rubber
	9	Axle sleeve	Ketone based PZ2175
	10	Plane bearing	Alloy steel
	11	Housing	ADC 12
	12	Plane bearing	Alloy steel
	13	Skeleton oil seal	Rubber
	14	Shim	304
	15	Screw	304
	16	Axis	45# steel
	17	Limit switch
	18	O type ring	Butadiene-acrylonitrile rubber

Note:

1. optional flange type thread hole center distance and number of threaded holes meet ISO 5211 standard.

2. optional shaft hole D, key width BX hub depth T if there is no special description GB/T 1095 - 2003 processing.

3. Handwheel diameters are selected according to the customer's requirements for output torque and the actual input torque of the operator. If there is no special specification, the handwheeldiameters are all arranged according to this table.

4.the static safety factor is 1.5

hand wheel diameter press type: Ds=2*M/Q

In formula: Ds - handwheel diameter (mm) M - input torque (N. mm) Q - circumferential torce (N) acting on the handwheel, the standard value of API 6D is 360N.

Main Componets and Material