Ex-VIIG Double Seal Gland with Armour Clamping System

Ex-VIIG Double Seal Gland with Armour Clamping System

The Ex-VIIG Double Seal Gland is built for high-integrity connections. Its superior clamping force and dual-seal system provide a flameproof, weatherproof connection for critical projects.

Technical Parameter

Product Type: Explosion-Proof Double Seal Clamping Gland
Model: Ex-VIIG / BDM-VIIG
Body Material: Nickel-Plated Brass / Stainless Steel (304, 316)
Seal Material: Silicone Rubber
Explosion-Proof Class: Ex db IIC Gb; Ex eb IIC Gb; Ex tb IIIC Db
Ingress Protection: IP66
Operating Temperature: -60°C to +100°C
Applicable Cable: Steel Wire, Braided, and Steel Tape Armoured Cables
Suitable Zones: Gas: Zone 1 & 2; Dust: Zone 20, 21, & 22
Gas Groups: IIA, IIB, IIC
Compliance Standards: IEC60079, EN60079, GB3836

Key Features

Secure Double Seal & Clamping: The core feature is its powerful mechanism that provides both a flameproof inner seal and a weatherproof outer seal, while securely clamping the cable armour for maximum safety.
Dual Ex d/e Certified Protection: Certified Flameproof (Ex db) and Increased Safety (Ex eb), making it versatile for Zone 1, 2 (Gas) and Zone 20, 21, 22 (Dust) hazardous locations.
For All Armour Types: Designed to securely clamp and bond all types of armoured cables, including steel wire (SWA), braided, and steel tape armour.
Extreme Temperature Range: Features silicone rubber seals allowing for an exceptional operating temperature range of -60°C to +100°C.
Premium Material Options: Available in robust Nickel-Plated Brass or corrosion-resistant Stainless Steel (304/316) to withstand harsh industrial environments.
International Standards Compliant: Fully compliant with GB3836, IEC60079, and EN60079 standards for global projects.

Metric Thread	Product Number	Locking Range (mm)	Max. Outlet (mm)	Thread Length GL (mm)	Spanner Size (mm)
M16 × 1.5	Ex-VIIGM16	5-16	10	15	24
M20 × 1.5	Ex-VIIGM20	5-16	10	15	24
M20 × 1.5D	Ex-VIIGM20D	5-20	15	15	30
M25 × 1.5	Ex-VIIGM25	5-20	15	15	30
M25 × 1.5D	Ex-VIIGM25D	8-26	20	15	38
M32 × 1.5	Ex-VIIGM32	8-26	20	17	38
M32 × 1.5D	Ex-VIIGM32D	15-33	26	17	45
M40 × 1.5	Ex-VIIGM40-33	15-33	26	17	45
M40 × 1.5D	Ex-VIIGM40D	16-40	33	17	55
M50 × 1.5	Ex-VIIGM50	16-40	33	20	55
M50 × 1.5D	Ex-VIIGM50D	18-50	41	20	68
M63 × 1.5	Ex-VIIGM63	18-50	41	20	68
M63 × 1.5D	Ex-VIIGM63D	25-64	53	20	82
M75 × 2	Ex-VIIGM75	25-64	53	22	82
M88 × 2	Ex-VIIGM88	31-80	75	22	98
M100 × 2	Ex-VIIGM100	40-96	83	22	110
M115 × 2	Ex-VIIGM115	40-103	90	22	125
M130 × 2	Ex-VIIGM130	98-119	100	22	140

NPT Thread	Product Number	Locking Range (mm)	Max. Outlet (mm)	Thread Length GL (mm)	Spanner Size (mm)
NPT 3/8	Ex-VIIGNPT3/8	5-16	10	15	24
NPT 1/2	Ex-VIIGNPT1/2	5-16	10	15	24
NPT 1/2D	Ex-VIIGNPT1/2D	5-20	15	15	30
NPT 3/4	Ex-VIIGNPT3/4	5-20	15	15	30
NPT 3/4D	Ex-VIIGNPT3/4D	8-26	20	15	38
NPT 1	Ex-VIIGNPT1	8-26	20	17	38
NPT 1D	Ex-VIIGNPT1D	15-33	26	17	45
NPT 1-1/4	Ex-VIIGNPT1-1/4	15-33	26	17	45
NPT 1-1/4D	Ex-VIIGNPT1-1/4D	16-40	33	17	55
NPT 1-1/2	Ex-VIIGNPT1-1/2	16-40	33	20	55
NPT 1-1/2D	Ex-VIIGNPT1-1/2D	18-50	41	20	68
NPT 2	Ex-VIIGNPT2	18-50	41	20	68
NPT 2D	Ex-VIIGNPT2D	25-64	53	20	82
NPT 2-1/2	Ex-VIIGNPT2-1/2	25-64	53	22	82
NPT 3	Ex-VIIGNPT3	31-80	75	22	98
NPT 4	Ex-VIIGNPT4	40-103	90	22	125

G Thread	Product Number	Locking Range (mm)	Max. Outlet (mm)	Thread Length GL (mm)	Spanner Size (mm)
G 3/8	Ex-VIIGG3/8	5-16	10	15	24
G 1/2	Ex-VIIGG1/2	5-16	10	15	24
G 1/2D	Ex-VIIGG1/2D	5-20	15	15	30
G 3/4	Ex-VIIGG3/4	5-20	15	15	30
G 3/4D	Ex-VIIGG3/4D	8-26	20	15	38
G 1	Ex-VIIGG1	8-26	20	17	38
G 1D	Ex-VIIGG1D	15-33	26	17	45
G 1-1/4	Ex-VIIGG1-1/4	15-33	26	17	45
G 1-1/4D	Ex-VIIGG1-1/4D	16-40	33	17	55
G 1-1/2	Ex-VIIGG1-1/2	16-40	33	20	55
G 1-1/2D	Ex-VIIGG1-1/2D	18-50	41	20	68
G 2	Ex-VIIGG2	18-50	41	20	68
G 2D	Ex-VIIGG2D	25-64	53	20	82
G 2-1/2	Ex-VIIGG2-1/2	25-64	53	22	82
G 3	Ex-VIIGG3	31-80	75	22	98
G 4	Ex-VIIGG4	40-103	90	22	125