coupling | Duda Diesel Alternative Energy, Chemicals & Industrial Supply Store
Duda Energy LLC
1112 Brooks St SE
Decatur, AL 35601

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• Phone Contact: (256) 340-4866
• Toll Free: 1-855-DUDA-BIO
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SS304 Coupling 1/4" Female x 1/4" Female
Hex Coupling
• 1/4" Female x 1/4" Female
• 304 Stainless Steel
QTY
$Ea.
1+
4.08
5+
2.75
10+
2.64
25+
2.54
100+
2.34
In stock
QTY
SS304 Coupling 3/8" Female x 3/8" Female
Hex Coupling
• 3/8" Female x 3/8" Female
• 304 Stainless Steel
QTY
$Ea.
1+
4.85
5+
3.48
10+
3.36
25+
3.24
100+
2.99
In stock
QTY
SS304 Coupling 1/2" Female x 1/2" Female
Hex Coupling
• 1/2" Female x 1/2" Female
• 304 Stainless Steel
QTY
$Ea.
1+
5.65
5+
4.24
10+
4.10
25+
3.96
100+
3.67
In stock
QTY
SS304 Coupling 3/4" Female x 3/4" Female
Hex Coupling
• 3/4" Female x 3/4" Female
• 304 Stainless Steel
QTY
$Ea.
1+
7.08
5+
5.60
10+
5.42
25+
5.24
100+
4.89
In stock
QTY
SS304 Coupling 1" Female x 1" Female
Hex Coupling
• 1" Female x 1" Female
• 304 Stainless Steel
• 304 Stainless Steel
QTY
$Ea.
1+
12.10
5+
10.37
10+
10.06
25+
9.76
100+
9.16
In stock
QTY
1/2" Hose Barb Coupling
Hose Barb Coupling
• 1/2" Hose Barb x 1/2" Hose Barb
• 304 Stainless Steel
QTY
$Ea.
1+
5.10
5+
3.72
10+
3.59
25+
3.46
100+
3.21
In stock
QTY
3/4" Hose Barb Coupling
Hose Barb Coupling
• 3/4" Hose Barb x 3/4" Hose Barb
• 304 Stainless Steel
QTY
$Ea.
1+
7.35
5+
5.85
10+
5.67
25+
5.49
100+
5.12
In stock
QTY
1" Hose Barb Coupling
Hose Barb Coupling
• 1" Hose Barb x 1" Hose Barb
• 304 Stainless Steel
QTY
$Ea.
1+
9.35
5+
7.75
10+
7.52
25+
7.29
100+
6.82
Out of stock.
QTY
1-1/4" Hose Barb Coupling
Hose Barb Coupling
• 1-1/4" Hose Barb x 1-1/4" Hose Barb
• 304 Stainless Steel
QTY
$Ea.
1+
11.73
5+
10.01
10+
9.72
25+
9.43
100+
8.84
In stock
QTY
1-1/2" Hose Barb Coupling
Hose Barb Coupling
• 1-1/2" Hose Barb x 1-1/2" Hose Barb
• 304 Stainless Steel
QTY
$Ea.
1+
11.88
5+
10.16
10+
9.86
25+
9.56
100+
8.97
In stock
QTY
2" Hose Barb Coupling
Hose Barb Coupling
• 2" Hose Barb x 2" Hose Barb
• 304 Stainless Steel
QTY
$Ea.
1+
19.09
5+
17.01
10+
16.53
25+
16.05
100+
15.10
In stock
QTY
16mm - 1/2" PEX-AL-PEX Nickel Plated Brass PEX-AL-PEX Fitting
PEX-AL-PEX Fitting
• PEX-AL-PEX Compression Coupling
• 16mm x 16mm Compression
• Nickel Plated Brass
QTY
$Ea.
1+
5.20
2+
4.56
5+
4.19
25+
4.19
100+
3.81
In stock
QTY
20mm - 5/8" PEX-AL-PEX Nickel Plated Brass PEX-AL-PEX Fitting
PEX-AL-PEX Fitting
• PEX-AL-PEX Compression Coupling
• 20mm x 20mm Compression
• Nickel Plated Brass
QTY
$Ea.
1+
6.13
2+
5.44
5+
5.07
25+
5.07
100+
4.69
In stock
QTY
26mm - 3/4" PEX-AL-PEX Nickel Plated Brass PEX-AL-PEX Fitting
PEX-AL-PEX Fitting
• PEX-AL-PEX Compression Coupling
• 26mm x 26mm Compression
• Nickel Plated Brass
QTY
$Ea.
1+
9.48
2+
8.63
5+
8.25
25+
8.25
100+
7.88
In stock
QTY
32mm - 1" PEX-AL-PEX Nickel Plated Brass PEX-AL-PEX Fitting
PEX-AL-PEX Fitting
• PEX-AL-PEX Compression Coupling
• 32mm x 32mm Compression
• Nickel Plated Brass
QTY
$Ea.
1+
14.34
2+
13.24
5+
12.87
25+
12.87
100+
12.49
In stock
QTY
SS304 Reducing Coupling 3/8" Female x 1/4" Female
Reducing Coupling
• 3/8" Female x 1/4" Female
• 304 Stainless Steel
QTY
$Ea.
1+
3.25
5+
1.96
10+
1.88
25+
1.80
100+
1.63
In stock
QTY
SS304 Reducing Coupling 1/2" Female x 3/8" Female
Reducing Coupling
• 1/2" Female x 3/8" Female
• 304 Stainless Steel
QTY
$Ea.
1+
4.33
5+
2.98
10+
2.88
25+
2.77
100+
2.55
In stock
QTY
SS304 Reducing Coupling 3/4" Female x 1/2" Female
Reducing Coupling
• 3/4" Female x 1/2" Female
• 304 Stainless Steel
QTY
$Ea.
1+
5.30
5+
3.91
10+
3.77
25+
3.64
100+
3.38
In stock
QTY
SS304 Reducing Coupling 1" Female x 1/2" Female
Reducing Coupling
• 1" Female x 1/2" Female
• 304 Stainless Steel
QTY
$Ea.
1+
6.78
5+
5.31
10+
5.14
25+
4.97
100+
4.63
In stock
QTY
SS304 Reducing Coupling 1" Female x 3/4" Female
Reducing Coupling
• 1" Female x 3/4" Female
• 304 Stainless Steel
QTY
$Ea.
1+
7.85
5+
6.33
10+
6.13
25+
5.94
100+
5.54
In stock
QTY
Reducing Coupling 1-1/4" (1.25") Female x 1" Female
Reducing Coupling
• 1.25" (1-1/4) Female x 1" Female
• 304 Stainless Steel
QTY
$Ea.
1+
10.35
5+
8.70
10+
8.44
25+
8.19
100+
7.67
In stock
QTY
SS304 Reducing Coupling 1.5" Female x 1" Female
Reducing Coupling
• 1.5" (1-1/2") Female x 1" Female
• 304 Stainless Steel
QTY
$Ea.
1+
13.28
5+
11.49
10+
11.15
25+
10.82
100+
10.16
In stock
QTY
SS304 Reducing Coupling 2" Female x 1-1/2" (1.5") Female
Reducing Coupling
• 2" Female x 1.5" (1-1-2/") Female
• 304 Stainless Steel
QTY
$Ea.
1+
16.77
5+
14.80
10+
14.38
25+
13.96
100+
13.12
In stock
QTY
Reducing Coupling, 2-1/2" x 1", SUS304
Reducing Coupling
• 2-1/2" x 1" Female NPT
• 304 Stainless Steel
QTY
$Ea.
1+
22.08
5+
19.85
10+
19.29
25+
18.74
100+
17.64
In stock
QTY
Reducing Coupling 2-1/2"x1-1/4"
Reducing Coupling
• 2-1/2" x 1-1/4" Female NPT
• 304 Stainless Steel
QTY
$Ea.
1+
22.04
5+
19.81
10+
19.26
25+
18.71
100+
17.60
In stock
QTY
Reducing Coupling, 2-1/2" (2.5") x 1-1/2" (1.5"), SUS304
Reducing Coupling
• 2-1/2" x 1-1/2" Female NPT
• 304 Stainless Steel
QTY
$Ea.
1+
16.03
5+
14.10
10+
13.70
25+
13.30
100+
12.50
7 in stock
QTY
Reducing Coupling, 2-1/2" (2.5") x 2", SUS304
Reducing Coupling
• 2-1/2" x 2" Female NPT
• 304 Stainless Steel
QTY
$Ea.
1+
21.68
5+
19.47
10+
18.92
25+
18.38
100+
17.30
In stock
QTY
Reducing Coupling 3"x1-1/4"
Reducing Coupling
• 3" x 1-1/4" Female NPT
• 304 Stainless Steel
QTY
$Ea.
1+
39.87
5+
36.75
10+
35.75
25+
34.75
100+
32.76
In stock
QTY
Reducing Coupling 3"x1-1/2"
Reducing Coupling
• 3" x 1-1/2" Female NPT
• 304 Stainless Steel
QTY
$Ea.
1+
41.08
5+
37.90
10+
36.87
25+
35.84
100+
33.79
In stock
QTY
Reducing Coupling 3"x2"
Reducing Coupling
• 3" x 2" Female NPT
• 304 Stainless Steel
QTY
$Ea.
1+
38.50
5+
35.45
10+
34.48
25+
33.52
100+
31.60
In stock
QTY
Reducing Coupling 3"x2-1/2"
Reducing Coupling
• 3" x 2-1/2" Female NPT
• 304 Stainless Steel
QTY
$Ea.
1+
31.73
5+
29.01
10+
28.22
25+
27.43
100+
25.84
In stock
QTY
Reducing Coupling 4"x1-1/2"
Reducing Coupling
• 4" x 1-1/2" Female NPT
• 304 Stainless Steel
QTY
$Ea.
1+
62.22
5+
57.98
10+
56.42
25+
54.87
100+
51.76
In stock
QTY
Reducing Coupling 4"x2"
Reducing Coupling
• 4" x 2" Female NPT
• 304 Stainless Steel
QTY
$Ea.
1+
55.72
5+
51.80
10+
50.41
25+
49.02
100+
46.23
In stock
QTY
Reducing Coupling 4"x2-1/2"
Reducing Coupling
• 4" x 2-1/2" Female NPT
• 304 Stainless Steel
QTY
$Ea.
1+
54.32
5+
50.47
10+
49.12
25+
47.76
100+
45.04
In stock
QTY
Reducing Coupling 4"x3"
Reducing Coupling
• 4" x 3" Female NPT
• 304 Stainless Steel
QTY
$Ea.
1+
46.28
5+
42.84
10+
41.68
25+
40.52
100+
38.21
In stock
QTY
1" coupling stainless steel
Coupling
• 1" Female x 1" Female
• 304 Stainless Steel
QTY
$Ea.
1+
5.33
5+
3.93
10+
3.80
25+
3.67
100+
3.40
In stock
QTY
1.25" stainless steel coupling
Coupling
• 1-1/4"Female x 1-1/4" Female
• 304 Stainless Steel
QTY
$Ea.
1+
6.88
5+
5.41
10+
5.23
25+
5.06
100+
4.72
In stock
QTY
stainless steel coupling
Coupling
• 1-1/2" Female x 1-1/2" Female
• 304 Stainless Steel
QTY
$Ea.
1+
7.80
5+
6.28
10+
6.09
25+
5.89
100+
5.50
Out of stock.
QTY
stainless steel coupling fitting
Coupling
• 2" Female x 2" Female
• 304 Stainless Steel
QTY
$Ea.
1+
10.78
5+
9.11
10+
8.84
25+
8.57
100+
8.03
In stock
QTY
ISO 1/4" Coupling Stainless Steel Fitting
Coupling
• 1/4" Female x 1/4" Female
• 304 Stainless Steel
QTY
$Ea.
1+
2.98
5+
1.70
10+
1.63
25+
1.55
100+
1.40
In stock
QTY
ISO 3/8" Coupling Stainless Steel Fitting
Coupling
• 3/8" Female x 3/8" Female
• 304 Stainless Steel
QTY
$Ea.
1+
3.13
5+
1.84
10+
1.77
25+
1.69
100+
1.53
In stock
QTY
1/2" Coupling Stainless Steel Fitting
Coupling
• 1/2" Female x 1/2" Female
• 304 Stainless Steel
QTY
$Ea.
1+
3.70
5+
2.39
10+
2.29
25+
2.20
100+
2.02
In stock
QTY
ISO 3/4" Coupling Stainless Steel Fitting
Coupling
• 3/4" Female x 3/4" Female
• 304 Stainless Steel
QTY
$Ea.
1+
4.18
5+
2.84
10+
2.74
25+
2.63
100+
2.42
In stock
QTY
3/4" Brass Compression Coupling Fitting
Brass Compression Coupling
• 3/4" Brass Compression
• Compression Fittings use a Copper Ferrule for sealing
QTY
$Ea.
1+
10.23
5+
8.59
10+
8.33
25+
8.08
100+
7.57
In stock
QTY
G-Thread 1/2" Brass Coupling
Brass Coupling
• 1/2" Female Threads
• Brass, G-Type Threads (Parallel)
QTY
$Ea.
1+
3.28
5+
1.99
10+
1.90
25+
1.82
100+
1.66
In stock
QTY
G-thread 3/4" Brass Coupling
Brass Coupling
• 3/4" Female Threads
• Brass, G-Type Threads (Parallel)
QTY
$Ea.
1+
4.48
5+
3.13
10+
3.01
25+
2.90
100+
2.68
In stock
QTY
  

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