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Model ES-10
Model A-324 DM
Model R-324-6P
Switching
Relays
Model A-424
Model A-324
Model A-324 M
2
Description
Bettis Switching Relays are pneumatic/hydraulic poppet style switching devices — manual or pilot operated — for use with high or low pressure control applications. In pneumatic service, they can operate with high pressure gas to 1500 psig, or to 150 psig in low pressure service. The switching relays are also available as hydraulic models, operating to a maximum of 2160 psig. The Bettis relays are available as 3-way and 4-way 2-position bodies with a range of switching options including pneumatic or hydraulic pilot, mechanical and manual lever.
Features
■
■
■
■
■
Rugged construction for reliability in tough service.
Tapered poppets. Replaces need for sliding spools with O-rings.
Large diaphragm and heavy duty return springs.
Medium flow capacity (Cv). Boosters and quick exhausts normally not required.
Models available for manual or automated operation.
■
■
■
■
Applicable to many low flow switching and shutoff applications.
Designed for trouble-free operation in cold temperatures and with wet or dirty supply gas or air.
Bubble tight sealing.
Customized options available.
General Specifications
All Models
Weights
■
■
■
■
■
■
A324
A424
R324
A324-PL
2.5 lbs (1.1 kg)
3.75 lbs (1.71 kg)
2.5 lbs (1.1 kg)
3.7lbs (1.7 kg)
A324-DM 3.7lbs (1.7 kg)
ES-10 2.0 lbs (0.9 kg)
Ports
■
1/4 NPT, standard
Service
■
Air, Sweet gas, <5% H2S, hydraulic fluid
Models A324, A424, R324, A324-DM
Maximum Working Pressure (MAWP)
■
■
Body 1500 psig (10,335 kPag)
Signal 150 psig (1,033 kPag)
Model A324-PL
Maximum Working Pressure (MAWP)
■
■
Body 2160 psig (14,882 kPag)
Signal 1500 psig (10,335 kPag)
Model ES-10
Maximum Working Pressure (MAWP)
■
Body 2160 psig (14,882 kPag)
Model A-324
3-Way, 2-Position
Dimensions
1.25”
3.18cm
CYLINDER
1/4 NPT
SUPPLY
1/4 NPT
1.5”
3.81cm
.40”
1.02cm
2.75”
6.99cm
4”
10.16cm
2.25”
5.72cm
.75”
1.9cm
EXHAUST
1/4 NPT
SIGNAL
SUPPLY
1/4 NPT
3.5”
8.89cm
1.14”
3.58cm
2”
5.08cm
Vent
2”
5.08cm
1.4”
3.56cm
Item Part No.
Description
11 *
12 *
13
14
15 *
40 *
41 *
8
9
6 *
7 *
10 *
3
4
1
2 *
5
324-001
324-002
324-003
324-004
324-005
324-006
324-007
324-008
324-009
324-010
324-011
324-012
324-013
324-014
324-015
324-040
324-041
* Recommended spare parts.
Diaphragm Cap
Diaphragm Plate
Cylinder Plate
Upper Body
Lower Body
Poppet, lower
Poppet, upper
Poppet Spacer
Spring
Diaphragm
O-Ring, Body
O-Ring, Poppet
Capscrew, Body
Capscrew, Diaphragm
Rivet, Diaphragm
Diaphragm Protector
Diaphragm Backup
Material
AL 6061-T6
A366/C1018
AL 6061-T6
AL 6061-T6
AL 6061-T6
PVC
PVC
SS 304
SS 302
Fairprene
Nitrile A70
Nitrile A70
SS 304
SS 304
AL 6061-T6
Teflon
SS 302
Specifications
Temperature Rating: –58°F thru +248°F
Mass:
[–50°C thru +120°C]
2.5 lbs [1.1 kg]
MAWP
MAW
Body:
Signal:
Nominal Ratio:
1500 psig [10335 kPag]
150 psig [1033 kPag]
12:1
Flow Capacity (Cv)
Supply ➔ CYL. 2.0
CYL. ➔ EXH.
1.6
Qty.
4
6
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1500
1400
A324-400
1200
1000
275 550
A324-275 kPa (REF.)
830 1100
10335
400
200
800
600
A324
0
20 40 60 80 100 120 140 160 180 200
Switching Signal (PSIG)
5512
4134
2756
1378
9646
8268
6890
3
4
Model A-424
4-way, 2-position
275
Item Part No.
Description Material
18 *
19 *
32
35
44
12
13 *
14 *
15
17 *
7 *
8 *
9 *
10 *
11
4
5
2 *
3
6 *
Diaphragm Plate
Diaphragm Cyl. Plate
Upper Body
Lower Body
Poppet 1
Poppet 2
Poppet 3
Poppet 4
Diaphragm
Poppet Spacer
Spring
O-Ring, Body
O-Ring, Poppet
Capscrew, Body
Rivet, Diaphragm
Washer, Diaphragm
Snap Ring
Capscrew, Diaphragm
Diaphragm Cap
Nameplate
* Recommended spare parts.
(K) 2 hidden cylinder ports on bore axes at elevation shown.
C1018 ZN.PL
AL 6061-T6
AL 6061-T6
AL 6061-T6
PVC/Nyl./Torlon
PVC/Nyl./Torlon
PVC/Nyl./Torlon
PVC/Nyl./Torlon
Nyl. Rein Nitrile
SS 303/../316
SS
Nitrile
Nitrile
HXSC GR 5 ZN.PL
Al – Truss Head
SS 302
Truarc SS
HXSC SS 304
AL 6061-T6
SS 304
Specifications
Temperature Rating: –58°F thru +248°F
Mass:
(–50°C thru +120°C)
3.75 lbs [1.71 kg]
MAWP Body:
MAWP Signal:
1500 psig [10335 kPag]
150 psig [1033 kPag]
550 kPa (REF.)
830 1100 1380
10345
Flow Capacity (Cv)
Supply ➔ CYL. 2 (NC) 2.0
Supply ➔ CYL. 1 (NO) 1.6
CYL. 2 (NC) ➔ EXH.
1.3
CYL. 1 (NO) ➔ EXH.
1.3
Qty.
6
1
1
2
1
2
4
2
4
1
1
1
1
1
2
1
1
1
1
1
1500
1400
1200
1000
A424
400
200
800
600
0
20 40 60 80 100 120 140 160 180 200
Switching Signal (PSIG)
5520
4140
2760
1380
9650
8275
6900
Model A324-M
Model A324-DM
Item Part No.
Description Material
19
20
37
38
42
– –
9
11*
12*
13
18
6*
7*
4
5
8
324-004
324-005
324-006
324-007
324-008
324-018
Upper Body
Lower Body
Poppet, Lower
Poppet, Upper
Poppet Spacer
324-009 Spring
324-011 O-Ring, Body
324-012 O-Ring, Poppet
324-013 Capscrew, Body
Capscrew, Operator
AL 6061-T6
AL 6061-T6
PVC
PVC
Dowel Pin
SS
Buna N
Buna N
HXHC GR. 5 ZN.PL
HXHC GR. 5 ZN.PL
324-019 Roundhead Push Bolt
324-020 Nut, Lever
324-037 “M” Cylinder Plate
324-038 “M” Lever
RHSN GR 5 ZN.PL
GR 5 ZN.PL
AL 6061-T6
AL 6061-T6
324-042 Nut, Operator GR 5 ZN.PL
700-106 Nameplate, Special Trim SS 304
* Recommended spare parts.
Qty.
1
1
1
1
1
1
1
4
1
2
1
1
1
1
1
1
Specifications
Temperature Rating: –58°F thru +248°F [–50°C thru +120°C]
Mass: 2.2 lbs [1.0 kg]
MAWP: 1500 psig [10335 kPag]
Flow Capacity (Cv): Same as A-324
Item Part No.
Description
20
28
35
38
42
12
13
14
18
19
9
10
7
8
11
4
5
2
3
6
324-002
324-003
324-004
324-005
324-006
Diaphragm Plate
Cylinder Plate
Upper Body
Lower Body
Poppet, Lower
324-007 Poppet, Upper
324-008 Poppet Spacer
324-009 Spring
324-010 Diaphragm
324-011 O-Ring, Body
324-012 O-Ring, Poppet
324-013 Capscrew, Body
324-032 Capscrew, Cap
324-018 Capscrew, Operator
324-019 Roundhead Push Bolt
324-020 Nut, Lever
324-028 Plunger
324-035 Diaphragm Cap
324-038 “M” Lever
324-042 Nut, Operator
Specifications
A324-DM
Temperature Rating: –58°F thru +248°F
Mass: 3.7 lbs [1.7 kg]
[–50°C thru +120°C]
MAWP: Body: 1500 psig [10335 kPag]
MAWP: Signal: 150 psig [1033 kPag]
Nominal Ratio: 12:1
Flow Capacity (Cv): Same as A-324
Material
AL 6061-T6
AL 6061-T6
AL 6061-T6
AL 6061-T6
PVC
PVC
SS 304
SS 302
Fairprene/TFE
Nitrile
Nitrile
SS 304
SS 304
SS 304
RHSN GR 5 ZN PL
GR 5 ZN PL
PVC
AL 6061-T6
AL 6061-T6
SS 304
A324-DM-400
Temperature Rating: –50°F thru +150°F
Mass: 6.5 lbs [2.9 kg]
[–45°C thru +65°C]
MAWP: Body 3,000 psig [20,600 kPag]
MAWP: Signal: 150 psig [1033 kPag]
Nominal Ratio: 20:1
Qty.
1
1
1
1
1
6
1
2
4
1
1
1
1
1
2
1
1
1
1
1
5
Model R-324
6
Model A-324-PL
Item Part No.
Description
9
10
11
12
13
14
6
7
4
5
8
3a
3b
1
2
3c
324-001
324-015
324-010
324-040
324-041
324-012
Diaphragm apC
Rivet – Diaphragm
Diaphragm
Diaphragm Protector
Diaphragm Backup
324-014 Capscrew, Diaphragm
324-002 Diaphragm Plate
324-011 O-Ring – Body
324-043 Plunger
424-009 Poppet
324-009 Spring
324-044 Lower Body
324-013 Capscrew – Body
906-002 Center Body
324-003 Diaphragm Cylider Pl.
O-Ring – Plunger
Specifications
Temperature Rating: –58°F thru +248°F
[–50°C thru +120°C]
Mass:
MAWP: Body
MAWP: Signal
2.5 lbs [1.1 kg]
1500 psig [10335 kPag]
150 psig [1033 kPag]
Material
AL 6061-T6
Aluminum
Fairprene
Teflon
SS 302
GR 8 PL
Steel
Buna-N
SS 316
PVC
SS 302
AL 6061-T6
GR 8 PL
AL 6061-T6
AL 6061-T6
Buna-N
Flow Capacity (Cv)
NO ➔ CYL.
1.6
CYL. ➔ EXH.
1.3
Qty.
4
1
1
1
1
1
2
1
6
1
1
1
1
1
1
1
Item Part No.
Description
42
301
303
310
311
18
19
20
32
38
312
328
330
11
12
8
9
13
4
5
6
7
324-004
324-007
324-013
324-038
324-311
324-312
324-328
324-330
Upper Body
324-005 Lower Body
324-006 Poppet, Lower
Poppet, Upper
324-008 Poppet Spacer
324-009 Spring
324-011 O-Ring, Body
324-012 O-Ring, Poppet
Capscrew, Body
324-018 Capscrew, Lever
324-019 Roundhead Push Bolt
324-020 Nut, Push Bolt
324-032 Capscrew, Head
Lever
324-042 Nut, Lever
324-301 Cylinder Head
324-303 Cylinder Plate
324-310 O-Ring, Piston
Backup, Piston
Backup, Poppet
Piston
Plunger
Specifications
Temperature Rating: –58°F thru +248°F
[–50°C thru +120°C]
Mass:
MAWP: Body
3.7 lbs [1.7 kg]
2160 psig [14882 kPag]
Signal 1500 psig [10335 kPag]
Flow Capacity (Cv): Same as A-324
Material
AL 6061-T6
AL 6061-T6
PVC
PVC
Dowel Pin
CR. Van
Nitrile
Nitrile
HXHC GR. 5 ZN.PL
HXHC GR. 5 ZN.PL
RHSN GR 5 ZN.PL
GR 5 ZN.PL
HXHC GR. 5 ZN.PL
AL 6061-T6
RHSN GR 5 ZN.PL
AL 6061-T6
AL 6061-T6
Nitrile
Nitrile
Nitrile
AL 7075-T651
AL 7075-T651
Qty.
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
4
1
1
1
1
Model ES-10
Model R-324 6P100
Item Part No.
Description
124
125
126
127
129
118
119
120
122
123
113
114
115
116
117
101
102
103
111
112
131
134
135
138
Material
906-101 Adapter Body
906-102 Upper Body
906-103 Lower Body
906-111 Plunger
906-112 Spring Barrel
AL 6061-T6
AL 6061-T6
AL 6061-T6
SS 316
AL 7075-T651
906-113 Disc
906-114 Spring Seat, Return
AL 7075-T651
AL 7075-T651
906-115 Spring Seat, Overtravel AL 7075-T651
906-116 Seat Insert PVC
906-117 Spring Retainer Plug AL 7075-T651
906-118 Screw, Plunger
906-119 Washer
906-120 Poppet
906-122 O-Ring, Upper Body
906-123 O-Ring, Lower Body
906-124 O-Ring, Poppet
906-125 Backup, Poppet
906-126 O-Ring, Seat Insert
906-127 Backup, Seat Insert
906-129 Boot
906-131 Retaining Ring
906-134 Spring, Return
906-135 Spring, Overtravel
906-138 Bolt
SS
SS 316
AL 7075-T651
Nitrile
Nitrile
Nitrile
Nitrile
Nitrile
Nitrile
Nitrile
SS 316
SS
SS
SS 304
Specifications
Temperature Rating: –58°F thru +248°F
Mass:
[–50°C thru +120°C]
2.0 lbs [0.9 kg]
MAWP: 2160 psig all ports [14882 kPag]
Flow Capacity (Cv): 0.080
Qty.
2
2
2
2
1
1
1
1
1
1
1
4
1
1
1
2
1
1
1
1
1
1
1
1
Specifications
Temperature Rating: –58°F thru +150°F
Mass:
(–50°C thru +65°C)
3.2 lbs [1.5 kg]
MAWP: Body
MAWP: Signal
1500 psig [10335 Kpag]
1500 psig [10335 Kpag]
Flow Capacity (Cv)
Supply ➔ CYL. 1.5
CYL. ➔ EXH.
1.3
7
Bettis Canada
ISO 9001
Accredited by the Dutch Council for certification
Cert. Num. 93-13
Bettis Canada Ltd.
Edmonton, Alberta www.EmersonProcess.com/Bettis
North AmEricA
Bettis USA
P.O. Box 508
Waller, TX 77484 U.S.A.
T 281-727-5300
F 281-727-5303
Bettis UK Ltd.
3 Furze Court
114 Wickham Rd.
Fareham, Hampshire PO 16 7SH
T 44-1329-848-900
F 44-1329-848-901
EuropE
Bettis Canada Ltd.
4112-91 A Street
Edmonton, Alberta T6E 5V2
Canada
T 780-450-3600
F 780-450-1400
Bettis France:
30/36 Allee du Plateau
93250 Villemomble
France
T 331-48-122610
F 331-48-122619
Bettis Int’l Sales Office:
Calgary, Canada
Rheinberg, Germany
New Bombay, India
Singapore
Important: Due to Emerson’s continuing commitment to engineered product advancement, data presented herein is subject to change.
The contents of this publication are presented for information purposes only, and while effort has been made to ensure their accuracy, they are not to be construed as warranties or guarantees, expressed or implied, regarding the products or services described herein or their use or applicability. All sales are governed by our terms and conditions, which are available on request. We reserve the right to modify or improve the designs or specifications of our products at any time without notice.
The color orange, U.S. Reg. No. 2,739,393, is a registered trademark of the Bettis Corporation.
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