How does the FLEX-GEAR 847 Stainless Steel Compensation Spring Band auto-compensate for hose shrinkage and maintain a leak-free seal under temperature changes?

The FLEX-GEAR 847 Stainless Steel Compensation Spring Band auto-compensates for hose shrinkage and maintains a leak-free seal through its integrated spring-driven worm-drive design. Eight disc springs sit directly beneath the screw head; as the hose material shrinks from cold flow or wide temperature swings, the springs compress or expand to take up the gap, keeping a constant radial clamping force around the entire hose circumference. This dynamic compensation prevents loosening and preserves a secure, uniform seal without manual readjustment. An internal insert protects the hose surface from damage while the stainless steel 410 screw/lock and 300-series band deliver durable, corrosion-resistant pressure retention. Proper installation is signaled when the screw end protrudes beyond the lock housing and the disc springs are fully compressed. Recommended torque 5.6 Nm (max 9.6 Nm) ensures optimal spring preload and leak-free performance under extreme temperature variations.

How do I know when the FLEX-GEAR 847 Stainless Steel Compensation Spring Band is correctly installed and fully engaged?

Correct installation and full engagement of the FLEX-GEAR 847 Stainless Steel Compensation Spring Band is confirmed by two clear indicators: 1. Screw end beyond lock housing — after tightening to the specified torque (recommended 5.6 Nm, maximum 9.6 Nm), the screw tip must protrude past the lock housing. This shows the clamp has been driven into its final position. 2. Disc springs fully compressed — the eight disc springs under the screw head should be visibly or tactilely compressed. Full compression indicates the integrated spring mechanism is active and compensating for hose shrinkage, ensuring constant clamping force around the hose. Additional guidance: - Use the internal insert to protect the hose surface while tightening. - Do not exceed the 9.6 Nm maximum torque to avoid damage. - When both the screw extension and spring compression are present, the clamp will maintain consistent pressure without manual readjustment, providing a secure, leak-free seal.

Clamp band of spring compensating FLEX-GEAR, series 847, steel stainless

All products, Clamps for mounting ends/

Additional information

Material	SS – stainless steel

Clamp band with a lock worm equipped in spring for compensation changes dimensional connections (shrinkage hose in result flow material on cold or in result large changes temperatures). spring constitutes set 8 springs roller (disc) – washers under head screws. ensures to maintaining crimp clamps and tightness on whole circuit hose, prevents leakage with installation. mechanism spring clamps allows automatically increase or reduce jej diameter maintaining clamp clamps. especially recommended in case large changes temperatures. O correct crimp clamps indicates protruding except for housing lock A fitting screws and flattened spring roller. inner insert clamps protects surface hose against damage. assembly torque tightening 5.6 Nm (max. 9.6 Nm). Material screws/lock: steel stainless 410. Material tape: steel stainless 300. Band width: 14.3 mm (9/16″).

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
AB-847010	Clamp FLEX-GEAR 14÷27 mm, SS	-	-	In stock	Enquiry
AB-847012	Clamp FLEX-GEAR 16÷32 mm, SS	-	-	In stock	Enquiry
AB-847016	Clamp FLEX-GEAR 21÷38 mm, SS	-	-	In stock	Enquiry
AB-847020	Clamp FLEX-GEAR 20÷44 mm, SS	-	-	In stock	Enquiry
AB-847024	Clamp FLEX-GEAR 27÷51 mm, SS	-	-	In stock	Enquiry
AB-847028	Clamp FLEX-GEAR 33÷57 mm, SS	-	-	In stock	Enquiry
AB-847032	Clamp FLEX-GEAR 40÷63 mm, SS	-	-	In stock	Enquiry
AB-847036	Clamp FLEX-GEAR 46÷70 mm, SS	-	-	In stock	Enquiry
AB-847040	Clamp FLEX-GEAR 52÷76 mm, SS	-	-	In stock	Enquiry
AB-847044	Clamp FLEX-GEAR 59÷82 mm, SS	-	-	In stock	Enquiry
AB-847048	Clamp FLEX-GEAR 65÷89 mm, SS	-	-	In stock	Enquiry

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Clamp band with a lock worm equipped in spring for compensation changes dimensional connections (shrinkage hose in result flow material on cold or in result large changes temperatures). spring constitutes set 8 springs roller (disc) – washers under head screws. ensures to maintaining crimp clamps and tightness on whole circuit hose, prevents leakage with installation. mechanism spring clamps allows automatically increase or reduce jej diameter maintaining clamp clamps. especially recommended in case large changes temperatures. O correct crimp clamps indicates protruding except for housing lock A fitting screws and flattened spring roller. inner insert clamps protects surface hose against damage. assembly torque tightening 5.6 Nm (max. 9.6 Nm). Material screws/lock: steel stainless 410. Material tape: steel stainless 300. Band width: 14.3 mm (9/16″).