D81 ISOLATION RING

Versatile design – Available in various materials and configurations to suit specific applications
WinCONNECT fitting – Enables easy field removal of gauges or switches for calibration, repair, or replacement without disrupting process flow
Durable construction – Features a thicker, break-resistant instrument stem for enhanced longevity
Flexible installation – Optional tees allow multiple instrument connections
ASME B40.100 compliant – Meets industry standards for pressure measurement accuracy
5-year warranty – Built for long-term reliability

Ideal for measuring pressures in viscous or slurry media, preventing clogging or pressure blockages
Commonly used in water treatment facilities, mining operations, and pulp & paper plants

SPECIFICATIONS

Sensor Type	WIR	Wafer, nests inside bolt circle
	RIR	Full flange (150# standard, 300# optional)
	SIR	Threaded connections
	Pipe I.D.	1″ – 48″	Vacuum to 1,000 psi
	Centre Section	C	Carbon Steel
S		316 SS
End Plates		S	316 SS
	A	Acetal
	TEF	PTFE
	H	Hastelloy® C
	T	Titanium
	U	UHMW / Ultra High Molecular Weight Polyethylene
	Elastomer (Sleeve)	N	Neoprene (-20°F to 220°F)
		B	Nitrile (Buna N) (-20°F to 180°F)
		E	EPDM (-20°F to 300°F)
		V	Fluoroelastomer (FKM) (-4°F to 392°F)
		R	Natural rubber (-49°F to 212°F)
Fill Fluid		SF	Silicone (standard)
		GF	Glycerin
		GW	Glycerin and water
		Instrument Connection	4N	1/4″ NPTF
	2N		1/2″ NPTF