JNFIT

Product > Flange > Spectacle Flange

Spectacle Blank

Spectacle blank is designed and manufactured to securely blank off a piece of equipment with no flow or leakage through a valve during maintenance.

The flow has to be valved off and pressure relieved before loosening flange bolts and swinging the blind.

Size

3/8"~120"
DN10~DN3000

Key Features

Can be attached to the pipe without welding (sometimes an additional seal weld is used as well)
Ideal for higher pressure and temperature applications for small pipe sizes
Not recommended for larger loads, especially when subjected to higher torque

Pressure

American Series
CLASS 150
CLASS 300
CLASS 400
CLASS 600
CLASS 900
CLASS 1500
CLASS 2500

Flange Facing Types

European Series
Raised Face(RF)
Ring Joints Face(RJ)

Materials

Carbon Steel	ASTM A105
Alloy Steel:	ASTM A182 F1/F5/F9/F11/F22/F91/F92 Etc
Duplex Steel:	Duplex F51 2205 UNS S31803, Super Duplex 2507 (UNS S32750), F55 (UNS S32760)
Stainless Steel:	ASTM A182 F304 F304L F304H F309 F310 F310S F316 F316L F316 F316Ti F317 F317L F321 F347 F347H
Duplex Stainless Steel:	ASTM A182 F51/F53/F55/F60
Nicke alloys:	Nickel 200, Monel 400, Inconel 600/625, Incoloy 825/800
Cu-Ni:	90/10,70/30

Standards

ASME B16.48-2010

API 590-1993

Industrial Processes

Die forging, Machining

Packaging

Plywood pallet or cases, wooden pallet or cases, or according to customer's requirment

Stainless Steel Elbow can be sleeved into plastic bag individually, pieces wrapped with water-proof material, carbon steel Elbow can be packed in plastic bags and closed in carton boxes or seaworthy wooden or plywood pallet or cases, clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D. Great care will be taken during operation and transportation, to prevent any damage.

Company Information

JNFIT INDUSTRIES LIMITED. is a professional pipe elbow manufacturer and supplier. Our pipe elbow has passed ISO 9000, Pressure Equipment Directive 97/23/EC (PED 97/23/EC), AD2000 Merkblatt W0, and API certification is under applying. It is widely used by Petrobras, Pemex, CNPC, Sinopec, CNOOC, and are well accepted by customers in many countries, including Italy,Russia, Spain, Germany, France, the United States, Brazil, Iran, India, and others. We welcome both domestic and international customers to choose our industrial pipe fittings which include industrial flange, forged fittings, steel pipes and high pressure tubing etc.
We are looking forward to working with you!

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