Couplings, fittings, check valve AT 7055-7059, 7076-7079, 7590

Meter accessory for installation of water meter. Like couplings, fittings and check valves. Loose water gauge couplings should only be used when mounting a water meter console isn't possible.

Variations
Product information

Variations

Article number	Amount
AT 7056A15 1981232
AT 7056-20 1981265
AT 7056-25 1981273
AT 7056-40 1981307
AT 7056PR15-15
AT 7056PR15-18
AT 7056PR20-22
AT 7055PR15-110
AT 7055PR20-130
AT 7055-190
AT 7590P15-110
AT 7590P20-190
AT 7590P25-260
AT 7590P40-300
AT 7055-20 5208087
AT 7059A20 5182088
AT 7059M25 5182089
AT 7059M40 5182090

Product information

Range of application

Gauge accessories
For installation of water meter.
Loose water gauge couplings should only be used in the case where mounting the water meter console isn't possible.

Couplings AT 7056/7076/7077

Designation	size Q₃/Qp	DN		in mm	kvm	vvm	AT no	RSK-no
	For meter		Connection	Build length	Approved for
Short water meter
including fiber packing	2,5/1,5	15	G15*G20	40	x	x	7056A15	198 12 32
Ditto	4/2,5	20	G20*G25	50	x	x	7056-20	198 12 65
Ditto	10/6	25	G25*G32	60	x	x	7056-25	198 12 73
Ditto	16/10	40	G40*G50	70	x	x	7056-40	198 13 07

Press couplings	1,5/0,6	15	15xG20		x	x	7056PR15-15
Ditto	2,5/1,5	15	18xG20		x	x	7056PR15-18
Ditto	4/2,5	20	22xG25		x	x	7056PR20-22

Complete inlet coupling for
VM-Console AT 7358	4/2,5	20	G20xG25	60	x	x	7076-20A
Ditto	10/6	25	G25xG32	65	x	x	7076-25A
Ditto	16/10	40	G40xG50	85	x	x	7076-40A

Complete adjustable outlet coupling
for AT 7358-190	4/2,5	20	G20xG254	80-105	x	x	7077-20A
Ditto for AT 7358-220	4/2,5	20	G20xG25	95-130	x	x	7077-20A-1
Ditto for AT 7358-260	10/6	25	G25xG32	110-130	x	x	7077-25A
Ditto for AT 7358-300	16/10	40	G40xG50	130-155	x	x	7077-40A

Low water meter coupling AT 7057

Designation	size q₃	DN	externally*Internally	in mm	kvm	vvm	AT no	RSK-no
	For gauge		Thread	Total length	Approved for
Low water meter coupling
incl. fiber packing AT 7068	4	20	G20*G25	80	x	x	7057-20	198 14 20
	10	25	G25*G32	85	x	x	7057-25	198 14 30
	16	40	G40*G50	90	x	x	7057-40	198 14 63

Adjustable check valve AT 7079

Designation	size q₃	DN	kvm	vvm	AT no	RSK-no
	For gauge		Approved for
Adjustable check valve for AT 7058-190BV.
The sleeve can be replaced afterwards for all standard models of consoles	4	20	x	x	7079-20BV	518 35 40
Ditto, for AT 7358-220BV (Check valve sleeve with
long stroke length for combined meter build length 190-220 mm.)	4	20	x	x	7079-20BV-1	518 35 41
Ditto, for AT 7358-260BV	10	25	x	x	7079-25BV	518 35 42
Ditto, for AT 7358-300BV	16	40	x	x	7079-40BV	518 35 43

Extension piece AT 7055

Designation	size q₃	DN	externally*internally	in mm	kvm	vvm	AT no	RSK-no
	For meter		Thread	Total length	Approved for
30 mm extension piece
with O-ring sealing in EPDM.	4	20	G25*G25	30	x	x	7055-20	520 80 87

Installation box for WS/WP cold water gauge

Designation	Build length	Connection dimension	Connection type	AT no
Installation box for WS/WP	330 ±40 mm	DN 50	Flanged	7055-50-330
Cold water meter	400 ±60 mm	DN 80	Flanged	7055-80-400
	440 ±60 mm	DN 100	Flanged	7055-100-440
	500 ±60 mm	DN 150	Flanged	7055-150-500

Transmission piece AT 7055

Designation	size q_n	DN	externally*internally	in mm	kvm	vvm	AT no
	For gauge		Thread	Total length	Approved for
Transition piece for mounting of meter
with G20 connection, build length 110 mm,
2 gives connection G25 and build length 130 mm.
(mounted with gasket AT 7068-15)	0,6-1,5	20	G25xG20	130	x	x	7055R20-R25

Ditto but gives 190 mm build length	0,6-1,5	20	G25xG20	190	x	x	7055R20-R25-190

Transmission piece for mounting in qn 2,5 gauge,
build length 190 mm by qn 10 meter location.
2st ger ansl. G32,
(monteras med packning AT 7068-20F)	2,5	20	G32xG25	260	x		7055R25-R32

Transmission piece for mounting in qn 2,5
meter, build length 190 mm by qn 10 meter location.
2 gives connection G50, 300 mm build length
(mounted with gasket AT 7068-20F)	2,5	20	G50xG25	300	x		7055R25-R50

Transmission piece for mounting in qn 5-6
meter, build length 260 mm by qn 10 meter location.
2 gives connection G50, 300 mm build length
(mounted with gasket AT 7068-25)	5-6	32	G50xG32	300	x		7055R32-R50

Spud AT 7055/7590

Designation	size q₃	DN		in mm	kv	vv	AT no
	For meter		Thread	Total length	Approved for
Spud in acetal GW plastic, to replace
meter in console during build time	4	20	G25	190	x		7055-190

Ditto, made in galvanized steel	4	20	G25	190	x	x	7590P20-190
Ditto	10	25	G32	260	x	x	7590P25-260
Ditto	16	40	G50	300	x	x	7590P40-300
	Q_p
Ditto, made in black steel for heating gauge	0,6-1,5	15	G20	110		x	7590P15-110
Ditto	2,5	20	G25	130		x	7590P20-130

Check valve AT 7059

Benämning	size q₃	DN	packaging	kvm	vvm	AT no
	For gauge		Quantity per	Approved for
Check valve for insertion in the water meter's
outlet including special packing, for max 90^oC	4	20	25	x	x	7059A20
SITAC approval	10	25		x	x	7059M25
	16	40		x	x	7059M40

Ball valve AT 3700

Designation	size q₃	DN	Connection	in mm	kvm	vvm	AT no
	For gauge			Total length	Approved for
Ball valve in straight performance Internally threaded in both ends.
With chrome plated ball with Teflon sealing. Body in "lead free" brass.
Standard performance for cold/warm tap water.
Suitable for installation of water meter console.	4	20	G20*G20	58	x	x	3700-20
Ditto, DN 25	10	25	G25*G25	67	x	x	3700-25
Ditto, DN 40	16	40	G40*G40	94	x	x	3700-40

Gaskets / O-rings

		size q₃	DN	in mm	kvm	vvm	AT no
Designation	Material	For gauge		Dimensions	Approved for
Compression gasket for adjustable check valve sleeve AT 7058-190/220	NBR-rubber	4	20	30x24x4	x	x	7063-20
Ditto, for AT 7058-260	NBR-rubber	10	25	39x30x4	x	x	7063-25
Ditto, for AT 7058-300	NBR-rubber	16	40	56x47x5	x	x	7063-40

O-ring for extension piece AT 7055-20	EPDM-rubber	4	20		x	x	7065-20

Flat gasket for water meter coupling	Impregnated läder	4	20	29x23x3	x		7066-20
		10	25	38x29x3	x		7066-25
		16	40	55x43x3,5	x		7066-40

Flat gasket for water meter, thin	Plastic	4	20	30x23x2	x		7067A20
		10	25	38x29x2	x		7067-25
		16	40	55x43x2	x		7067-40

Flat gasket for water meter, thick	Plastic	4	20	30x23x4	x		7067-20-4
		10	25	38x29x4	x		7067-25-4
		16	40	55x43x4	x		7067-40-4

Special gasket for extension piece AT 7055-55/85/-115	Fiber (asbestos free)	4	20	30x23x3	x	x	7068-20F
		Q_p
Flat gasket for warm and hot water, max 130 degrees (green/white)	Fiber (asbestos free)	0,6-1,5	15	24x17x2	x	x	7068-15
		2,5	20	29x23x3	x	x	7068-20
		5-6	25	38x29x3	x	x	7068-25
		10	40	55x43x3	x	x	7068-40
		Q₃
Flat gasket to water meter console, thin	NBR-rubber	4	20	30x23x2	x	x	7069-20-2
		10	25	38x29x2	x	x	7069-25
		16	40	55x43x3	x	x	7069-40

Flat gasket to water meter console, thick	NBR-rubber	4	20	30x23x3	x	x	7069-20
		10	25	38x29x3	x	x	7069-25-3