Hofmann Fluid Power Inc.

Serving the Fluid Power Industry Since 1950

Twist Lock Series

1/4″ and 1/2 ” Body Size
Maximum 300 PSI

Interchanges with Schrader Standard & Heavy Duty
Twisted Lock Series (TL) couplers are interchangeable with Schrader Standard and Heavy Duty series couplers and available in 1/4” and 1/2” body sizes. Bodies are made of a combination of plated steel and brass. This series is also available in 303 stainless steel for superior corrosion resistance and has a minimal 1/8″ disconnect turn tolerance to help prevent accidental disconnects.


1/4″ Body Size
Sockets (Valved)

Socket and Plug Construction

FNPT 1/4" Body Size Sockets (Valved)

 Part #Body SizeThread Size [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
seriestl-fnpt-14TLFA11/4"1/8"3/4"1.97"1.19".24
TLFA21/4"1/4"3/4"2.06"1.19".24
TLFA31/4"3/8"13/16"2.15"1.19".25

MNPT 1/4" Body Size Sockets (Valved)
 Part #Body SizeThread Size [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
seriestl-mnpt-14TLMA11/4"1/8"3/4"2.09"1.19".23
TLMA21/4"1/4"3/4"2.19"1.19".23
TLMA31/4"3/8"3/4"2.27"1.19".25

Hose Barb 1/4" Body Size Sockets (Valved)
 Part #Body SizeHose I.D. [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
seriestl-hb-14TLSA21/4"1/4"3/4"2.54"1.19".22
TLSA251/4"5/16"3/4"2.58"1.19".23
TLSA31/4"3/8"3/4"2.67"1.19".23

PL Hose Barb 1/4" Body Size Sockets (Valved)
 Part #Body SizeHose I.D. [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
seriestl-plhb-14TLSA2-PL1/4"1/4"3/4"2.49"1.19".23
TLSA3-PL1/4"3/8"3/4"2.59"1.19".23

 Part #Thread [A]Hex Size 1 [B]Hex Size 2 [C]O.A.L. [D]Max O.D. [E]Weight Lbs.
TLFA1-SS1/8"3/4"13/16"1.98"1.02".33
TLFA2-SS1/4"3/4"13/16"1.98"1.02".34
TLFA3-SS3/8"3/4"13/16"2.52"1.02".33

 Part #Thread [A]Hex Size 1 [B]Hex Size 2 [C]O.A.L. [D]Max O.D. [E]Weight Lbs.
TLMA1-SS1/8"11/16"13/16"2.39"1.02".31
TLMA2-SS1/4"3/4"13/16"2.10"1.02".33
TLMA3-SS3/8"11/16"13/16"2.60"1.02".34

 Part #Hose Size [A]Hex Size 1 [B]Hex Size 2 [C]O.A.L. [D]Max O.D. [E]Weight Lbs.
TLSA2-SS1/4"11/16"13/16"2.52"1.02".31
TLSA25-SS5/16"11/16"13/16"2.52"1.02".32
TLSA3-SS3/8"11/16"13/16"2.52"1.02".32

1/4″ Body Size
Plugs (Unvalved)

FNPT 1/4" Body Size Plugs (Unvalved)

 Part #Body SizeThread Size [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
seriestl-fnpt-plugTLFPA11/4"1/8"9/16"1.46".65".05
TLFPA21/4"1/4"5/8"1.55".72".05

MNPT 1/4" Body Size Plugs (Unvalved)
 Part #Body SizeThread Size [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
seriestl-mnpt-plugTLMPA11/4"1/8"1/2"1.59".58".04
TLMPA21/4"1/4"9/16"1.71".65".06

Hose Barb 1/4" Body Size Plugs (Unvalved)
 Part #Body SizeHose I.D. [A]O.A.L. [D]Max OD [E]Weight Lbs.
seriestl-hb-plugTLSPA21/4"1/4"2.03"1/2".04
TLSPA31/4"3/8"2.22"9/16".06

PL Hose Barb 1/4" Body Size Plugs (Unvalved)
 Part #Body SizeHose I.D. [A]O.A.L. [D]Max OD [E]Weight Lbs.
seriestl-plhb-plugTLSPA2-PL1/4"1/4"1.96"1/2".04

 Part #Thread [A]Hex Size 1 [B]O.A.L. [D]Max O.D. [E]Weight Lbs.
TLFPA2-SS1/4"5/8"1.51".710".05

 Part #Thread [A]Hex Size 1 [B]O.A.L. [D]Max O.D. [E]Weight Lbs.
TLMPA2-SS1/4"9/16"1.63".650".06

1/2″ Body Size
Sockets (Valved)

FNPT 1/2" Body Size Sockets (Valved)

 Part #Body SizeThread Size [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
seriestl-fnpt-12TLFC21/2"1/4"1-1/16"2.43"1.50".49
TLFC31/2"3/8"1-1/16"2.62"1.50".48
TLFC41/2"1/2"1-1/16"2.62"1.50".48
TLFC51/2"3/4"1-3/16"2.75"1.50".52

MNPT 1/2" Body Size Sockets (Valved)
 Part #Body SizeThread Size [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
seriestl-mnpt-12TLMC21/4"1-1/16"2.47"1.50".40
TLMC33/8"1-1/16"2.53"1.50".42
TLMC41/2"1-1/16"2.57"1.50".43
TLMC53/4"1-1/16"2.68"1.50".50

Hose Barb 1/2" Body Size Sockets (Valved)
 Part #Body SizeHose I.D.Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
seriestl-hb-12TLSC21/2"1/4"1-1/16"2.86"1.50".40
TLSC31/2"3/8"1-1/16"2.98"1.50".41
TLSC41/2"1/2"1-1/16"3.171.50" .42
TLSC51/2"3/4"1-1/16"3.48"1.50".48

PL Hose Barb 1/2" Body Size Sockets (Valved)
 Part #Body SizeHose I.D. [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
seriestl-plhb-12TLSC4-PL1/2"1/2"1-1/16"2.98"1.50".42

1/2″ Body Size
Plugs (Unvalved)

FNPT 1/2" Body Size Plugs (Unvalved)

 Part #Body SizeThread Size [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
seriestl-fnpt-plugTLFPC31/2"3/8"7/8"1.77"1.01".14

MNPT 1/2" Body Size Plugs (Unvalved)
 Part #Body SizeThread Size [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
seriestl-mnpt-plugTLMPC21/2"1/4"11/16"1.80".80".10
TLMPC31/2"3/8"11/16"1.87".80".11
TLMPC41/2"1/2"7/8"2"1.01".15

Hose Barb 1/2" Body Size Plugs (Unvalved)
 Part #Body SizeHose I.D. [A]O.A.L. [D]Max OD [E]Weight Lbs.
seriestl-hb-plugTLSPC31/2"3/8"2.34" 11/16".10
TLSPC41/2"1/2"2.53" 13/16".13

Socket Construction


Plug Construction


Standard
Steel

Zinc Plated

Stainless
303 Stainless Steel

Standard
Steel
Zinc Plated

Stainless
303 Stainless Steel