The Cla-Val Model 81-01 and 681-01 Check Valve are hydraulically operated No-Slam Check Valves. Both valves open when the pressure at the inlet exceeds the discharge pressure. A gradual rate of opening prevents sudden opening surges. When a pressure reversal occurs the higher downstream pressure is applied to the cover chamber through the control tube lines, and the valve closes drip tight.
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A53GY001: Rough brass – Pin lug swivel
A53GY021: Rough brass – Pin lug swivel with cap and chain
| Code | Size |  |
 |
BIM(revit) |
|---|---|---|---|---|
| A53GY001 | 2 1/2″ NST M x 2 1/2″ NST F | 1 | 0 | – |
| A53GY021 | 2 1/2″ NST M x 2 1/2″ NST F | 1 | 0 | – |
| A7AY001 | 1 1/2″ NST |
| SIZE | OUTSIDE DIAMETER | WALL THICKNESS | LENGTH |
| 1/2 | 17.93mm | 0.85mm | 3.05 meters |
| 3/4 | 23.42mm | 0.95mm | 3.05 meters |
| 1″ | 29.54mm | 1.05mm | 3.05 meters |
| 1 1/4 | 38.40mm | 1.25mm | 3.05 meters |
| 1 1/2 | 44.20mm | 1.25mm | 3.05 meters |
| 2″ | 55.80mm | 1.35mm | 3.05 meters |
| 2 1/2 | 73.03mm | 1.70mm | 3.05 meters |
| 3″ | 88.90mm | 1.80mm | 3.05 meters |
| 4″ | 114.30mm | 2.00mm | 3.05 meters |
A98Y001: Rough brass – 2 way-angle
A98Y002: Rough brass – 2 way-angle
A98Y101: Rough brass – 2 way-angle
A98Y102: Rough brass – 2 way-angle
A98Y201: Rough brass – 3 way-angle
A98Y202: Rough brass – 3 way-angle
A98Y251: Rough brass – 3 way-angle
| Code | Size | |
|
BIM(revit) | CAD(dxf) | Certification |
|---|---|---|---|---|---|---|
| A98Y001 | 4″ NPT F x 2 1/2″ NPT M | 1 | 0 | – | – | |
| A98Y002 | 4″ NPT F x 2 1/2″ NST M | 1 | 0 | – | – | |
| A98Y101 | 6″ NPT F x 2 1/2″ NPT M | 1 | 0 | – | – | |
| A98Y102 | 4″ NPT F x 2 1/2″ NST M | 1 | 0 | – | – | |
| A98Y201 | 6″ NPT F x 2 1/2″ NPT M | 1 | 0 | – | – | |
| A98Y202 | 6″ NPT F x 2 1/2″ NST M | 1 | 0 | – | – | |
| A98Y251 | 4″ NPT F x 2 1/2″ NPT M | 1 | 0 | – | – |
| SIZE | WALL THICKNESS | LENGTH | HOLE SIZE |
| 41mm x 21mm | 1.5mm | 3.00 meters | 14mm x 30mm |
A53Y001: Rough brass – With pin lug cap and chain
A53Y002: Rough brass – With pin lug cap and chain
A53Y021: Rough brass
A53Y022: Rough brass
A53Y041: Polished brass – With pin lug cap and chain
A53Y042: Polished brass – With pin lug cap and chain
A53Y061: Polished brass
A53X001: Rough chrome – With pin lug cap and chain
A53X041: Polished chrome – With pin lug cap and chain
A53X061: Polished chrome
| Code | Size | |
|
|---|---|---|---|
| A53Y001 | 2 1/2″ NPT F x 2 1/2″ NST M | 1 | 0 |
| A53Y002 | 3″ NPT F x 2 1/2″ NST M | 1 | 0 |
| A53Y021 | 2 1/2″ NPT F x 2 1/2″ NST M | 1 | 0 |
| A53Y022 | 3″ NPT F x 2 1/2″ NST M | 1 | 0 |
| A53Y041 | 2 1/2″ NPT F x 2 1/2″ NST M | 1 | 0 |
| A53Y042 | 3″ NPT F x 2 1/2″ NST M | 1 | 0 |
| A53Y061 | 2 1/2″ NPT F x 2 1/2″ NST M | 1 | 0 |
| A53X001 | 2 1/2″ NPT F x 2 1/2″ NST M | 1 | 0 |
| A53X041 | 2 1/2″ NPT F x 2 1/2″ NST M | 1 | 0 |
| A53X061 | 2 1/2″ NPT F x 2 1/2″ NST M | 1 | 0 |
A103Y011: Polished brass – Branding “AUTO-SPKR”
A103Y012: Polished brass – Branding “STANDPIPE”
A103Y013: Polished brass – Branding“AUTO-SPKR STANDPIPE”
A103Y014: Polished brass – Branding “WALL HYDRANT”
A103Y015: Polished brass – UL emblem
A103X011: Polished chrome – Branding “AUTO-SPKR”
A103X012: Polished chrome – Branding “STANDPIPE”
A103X013: Polished chrome – Branding “AUTO-SPKR STANDPIPE”
A103X014: Polished chrome – Branding “WALL HYDRANT”
| Code | Size | |
|
BIM(revit) | CAD(dxf) | Certification |
|---|---|---|---|---|---|---|
| A103Y011 | – | 1 | 0 | – | – | |
| A103Y012 | – | 1 | 0 | – | – | |
| A103Y013 | – | 1 | 0 | – | – | |
| A103Y014 | – | 1 | 0 | – | – | |
| A103Y015 | – | 1 | 0 | – | – | |
| A103X011 | – | 1 | 0 | – | – | |
| A103X012 | – | 1 | 0 | – | – | |
| A103X013 | – | 1 | 0 | – | – | |
| A103X014 | – | 1 | 0 | – | – |
A204Y001: Rough bronze
| Code | Size | |
|
BIM(revit) | CAD(dxf) | Certification |
|---|---|---|---|---|---|---|
| A204Y001 | 2 1/2″ NPT F x 2 1/2″ NST M | 1 | 0 | – | – |
A203Y001: Rough bronze
| Code | Size | |
|
BIM(revit) | CAD(dxf) | Certification |
|---|---|---|---|---|---|---|
| A203Y001 | 2 1/2″ NPT FxF | 1 | 0 | – | – |
| SIZE | OUTSIDE DIAMETER | WALL THICKNESS | LENGTH |
| 1/2 | 20.70mm | 1.98mm | 3.05 meters |
| 3/4 | 26.10mm | 2.10mm | 3.05 meters |
| 1″ | 32.77mm | 2.35mm | 3.05 meters |
| 1 1/4 | 41.59mm | 2.42mm | 3.05 meters |
| 1 1/2 | 47.82mm | 2.54mm | 3.05 meters |
| 2″ | 59.93mm | 2.67mm | 3.05 meters |
| 2 1/2 | 72.57mm | 3.81mm | 3.05 meters |
| 3″ | 88.29mm | 3.81mm | 3.05 meters |
| 4″ | 113.44mm | 3.81mm | 3.05 meters |
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